AUCTION  / 

Neiman’s Pre Christmas Blowout Auction Event

Auction CurrencyUSD Auction Location17322 Murphy Avenue, Irvine, California, United States

Auction Details

<p>Welcome to Neiman's Jewelry Live Auction!</p>

<p>FREE GROUND SHIPPING FOR ALL U.S. ORDERS.</p>

<p>Lowest hammer prices on the finest top quality jewelry.</p>

<p>All items are genuine and authenticated by our staff gemologist.</p>

<p>"No Hassle, No Questions Asked" return and refund policy.</p>

<p>100% Satisfaction Guarantee.</p>
< Prev# Rows102050100Next >123. . .3233343536. . .454647
 Choose Your Layout > Switch to Grid View Switch to List View
3.75 ct Blue, Yellow Sapphire & Ruby Pendant 14kt Gold4287 - 3.75 ct Blue, Yellow Sapphire & Ruby Pendant 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 4,707.00 - 1,000,000.00
Sold to floor for (250.00) = 250.00
 
Details...Bookmark
0.29 ct Black & White Diamond Ring 14kt Gold4288 - 0.29 ct Black & White Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 4,490.00 - 1,000,000.00
Sold to floor for (210.00) = 210.00
 
Details...Bookmark
0.65 ct Emerald & Diamond Ring 14kt Gold4289 - 0.65 ct Emerald & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 5,078.00 - 1,000,000.00
Sold to floor for (280.00) = 280.00
 
Details...Bookmark
$1NR 1.84 ct Emerald & Diamond Ring 14kt Gold $1 NR4290 - $1NR 1.84 ct Emerald & Diamond Ring 14kt Gold $1 NR
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 4,861.00 - 1,000,000.00
Sold to floor for (250.00) = 250.00
 
Details...Bookmark
0.8 ct Ruby & Diamond Pendant 14kt Gold4291 - 0.8 ct Ruby & Diamond Pendant 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 1,905.00 - 1,000,000.00
Sold to floor for (200.00) = 200.00
 
Details...Bookmark
2.37 ct Blue, Pink, White Sapphire & Ruby Pendant 14kt Gold4292 - 2.37 ct Blue, Pink, White Sapphire & Ruby Pendant 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 3,224.00 - 1,000,000.00
Sold to floor for (150.00) = 150.00
 
Details...Bookmark
9.5 MM Black Tahitian Pearl & Diamond Earrings 14kt Gold4293 - 9.5 MM Black Tahitian Pearl & Diamond Earrings 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 3,836.00 - 1,000,000.00
Sold to floor for (210.00) = 210.00
 
Details...Bookmark
0.82 ct Apatite & Diamond Ring 14kt Gold4294 - 0.82 ct Apatite & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 4,649.00 - 1,000,000.00
Sold to floor for (290.00) = 290.00
 
Details...Bookmark
3.2 ct Apatite & Diamond Ring 14kt Gold4295 - 3.2 ct Apatite & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 5,006.00 - 1,000,000.00
Sold to floor for (250.00) = 250.00
 
Details...Bookmark
1.47 ct Ruby & Diamond Ring 14kt Gold4296 - 1.47 ct Ruby & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 4,013.00 - 1,000,000.00
Sold to floor for (210.00) = 210.00
 
Details...Bookmark
No Reserve 3.2 ct Emerald & Diamond Ring 14kt Gold !4297 - No Reserve 3.2 ct Emerald & Diamond Ring 14kt Gold !
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 8,284.00 - 1,000,000.00
Sold to floor for (380.00) = 380.00
 
Details...Bookmark
2.74 ct Ruby & White Sapphire Earrings 14kt Gold4298 - 2.74 ct Ruby & White Sapphire Earrings 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 5,372.00 - 1,000,000.00
Sold to floor for (280.00) = 280.00
 
Details...Bookmark
8.04 ct Ruby & Diamond Pendant 14kt Gold4299 - 8.04 ct Ruby & Diamond Pendant 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 3,734.00 - 1,000,000.00
Sold to floor for (210.00) = 210.00
 
Details...Bookmark
9.5 MM Black Tahitian Pearl & Diamond Earrings 14kt Gold4300 - 9.5 MM Black Tahitian Pearl & Diamond Earrings 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 3,913.00 - 1,000,000.00
Sold to floor for (210.00) = 210.00
 
Details...Bookmark
7.83 ct Pink Kunzite & Pink Sapphire & Diamond Ring 14kt Gold4301 - 7.83 ct Pink Kunzite & Pink Sapphire & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 6,110.00 - 1,000,000.00
Sold to floor for (350.00) = 350.00
 
Details...Bookmark
Incredible 6.43 ct Emerald & Diamond Ring 14kt Gold NR4302 - Incredible 6.43 ct Emerald & Diamond Ring 14kt Gold NR
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 9,374.00 - 1,000,000.00
Sold to floor for (350.00) = 350.00
 
Details...Bookmark
1.08 ct Fire Opal & Diamond Ring 14kt Gold4303 - 1.08 ct Fire Opal & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 3,011.00 - 1,000,000.00
Sold to floor for (170.00) = 170.00
 
Details...Bookmark
1.18 ct Fire Opal & Diamond Ring 14kt Gold4304 - 1.18 ct Fire Opal & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 3,718.00 - 1,000,000.00
Sold to floor for (150.00) = 150.00
 
Details...Bookmark
3.75 ct Ruby & White, Yellow Sapphire Ring 14kt Gold4305 - 3.75 ct Ruby & White, Yellow Sapphire Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 4,894.00 - 1,000,000.00
Sold to floor for (190.00) = 190.00
 
Details...Bookmark
9.01 ct Pink Kunzite & Diamond Ring 14kt Gold4306 - 9.01 ct Pink Kunzite & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 4,918.00 - 1,000,000.00
Sold to floor for (180.00) = 180.00
 
Details...Bookmark
3.5 ct Blue, Yellow Sapphire & Ruby Earrings 14kt Gold4307 - 3.5 ct Blue, Yellow Sapphire & Ruby Earrings 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 4,657.00 - 1,000,000.00
Sold to floor for (190.00) = 190.00
 
Details...Bookmark
15.03 ct Pink Kunzite & Diamond Pendant 14kt Gold4308 - 15.03 ct Pink Kunzite & Diamond Pendant 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 4,662.00 - 1,000,000.00
Sold to floor for (190.00) = 190.00
 
Details...Bookmark
2.32 ct Blue, White Sapphire & Ruby Ring 14kt Gold4309 - 2.32 ct Blue, White Sapphire & Ruby Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 5,290.00 - 1,000,000.00
Sold to floor for (220.00) = 220.00
 
Details...Bookmark
2.63 ct Sapphire & Diamond Ring 14kt Gold4310 - 2.63 ct Sapphire & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 3,479.00 - 1,000,000.00
Sold to floor for (190.00) = 190.00
 
Details...Bookmark
4.58 ct Fire Opal & White Sapphire Ring 14kt Gold4311 - 4.58 ct Fire Opal & White Sapphire Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 4,670.00 - 1,000,000.00
Sold to floor for (180.00) = 180.00
 
Details...Bookmark
1.08 ct Apatite & Diamond Earrings 14kt Gold4312 - 1.08 ct Apatite & Diamond Earrings 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 4,785.00 - 1,000,000.00
Sold to floor for (300.00) = 300.00
 
Details...Bookmark
1.04 ct Blue, Green, Orange, Pink, Yellow Sapphi , Emerald & Ruby & Diamond Ring 14kt Gold4313 - 1.04 ct Blue, Green, Orange, Pink, Yellow Sapphi , Emerald & Ruby & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 4,944.00 - 1,000,000.00
Sold to floor for (300.00) = 300.00
 
Details...Bookmark
0.63 ct Emerald & Diamond Ring 14kt Gold4314 - 0.63 ct Emerald & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 5,073.00 - 1,000,000.00
Sold to floor for (250.00) = 250.00
 
Details...Bookmark
2.09 ct Emerald & Diamond Ring 14kt Gold4315 - 2.09 ct Emerald & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 5,542.00 - 1,000,000.00
Sold to floor for (220.00) = 220.00
 
Details...Bookmark
1.34 ct Apatite & Diamond Ring 14kt Gold4316 - 1.34 ct Apatite & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 4,560.00 - 1,000,000.00
Sold to floor for (200.00) = 200.00
 
Details...Bookmark
1.26 ct Emerald & Diamond Ring 14kt Gold4317 - 1.26 ct Emerald & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 5,109.00 - 1,000,000.00
Sold to floor for (240.00) = 240.00
 
Details...Bookmark
1.28 ct Apatite & Diamond Ring 14kt Gold4318 - 1.28 ct Apatite & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 5,668.00 - 1,000,000.00
Sold to floor for (240.00) = 240.00
 
Details...Bookmark
1.63 ct Ruby & Diamond Ring 14kt Gold4319 - 1.63 ct Ruby & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 5,149.00 - 1,000,000.00
Sold to floor for (120.00) = 120.00
 
Details...Bookmark
9.88 ct Ruby & Diamond Ring 14kt Gold4320 - 9.88 ct Ruby & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 5,926.00 - 1,000,000.00
Sold to floor for (230.00) = 230.00
 
Details...Bookmark
3.75 ct Blue, Green Sapphire & Violet Red Spinel Earrings 14kt Gold4321 - 3.75 ct Blue, Green Sapphire & Violet Red Spinel Earrings 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 5,154.00 - 1,000,000.00
Sold to floor for (230.00) = 230.00
 
Details...Bookmark
1.69 ct Ruby & Diamond Ring 14kt Gold4322 - 1.69 ct Ruby & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 3,992.00 - 1,000,000.00
Sold to floor for (170.00) = 170.00
 
Details...Bookmark
3.61 ct Blue, Pink, Yellow Sapphire Pendant 14kt Gold4323 - 3.61 ct Blue, Pink, Yellow Sapphire Pendant 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 5,442.00 - 1,000,000.00
Sold to floor for (230.00) = 230.00
 
Details...Bookmark
2.6 ct Fire Opal & Diamond Ring 14kt Gold4324 - 2.6 ct Fire Opal & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 4,495.00 - 1,000,000.00
Sold to floor for (180.00) = 180.00
 
Details...Bookmark
3.46 ct Black & White Diamond Ring 14kt Gold4325 - 3.46 ct Black & White Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 15,031.00 - 1,000,000.00
Sold to floor for (550.00) = 550.00
 
Details...Bookmark
0.53 ct Black & White Diamond Pendant 14kt Gold4326 - 0.53 ct Black & White Diamond Pendant 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 3,197.00 - 1,000,000.00
Sold to floor for (200.00) = 200.00
 
Details...Bookmark
12.5 MM Black Tahitian Pearl & Diamond Ring 14kt Gold4327 - 12.5 MM Black Tahitian Pearl & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 5,507.00 - 1,000,000.00
Sold to floor for (300.00) = 300.00
 
Details...Bookmark
5.19 ct Blue, Pink, White Sapphire Pendant 14kt Gold4328 - 5.19 ct Blue, Pink, White Sapphire Pendant 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 5,548.00 - 1,000,000.00
Sold to floor for (280.00) = 280.00
 
Details...Bookmark
2.1 ct Blue, White Sapphire Ring 14kt Gold4329 - 2.1 ct Blue, White Sapphire Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 5,502.00 - 1,000,000.00
Sold to floor for (250.00) = 250.00
 
Details...Bookmark
4.53 ct Emerald & Diamond Pendant 14kt Gold4330 - 4.53 ct Emerald & Diamond Pendant 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 2,394.00 - 1,000,000.00
Sold to floor for (210.00) = 210.00
 
Details...Bookmark
1.81 ct Emerald , Ruby & Sapphire & Diamond Ring 14kt Gold4331 - 1.81 ct Emerald , Ruby & Sapphire & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 4,362.00 - 1,000,000.00
Sold to floor for (190.00) = 190.00
 
Details...Bookmark
4.49 ct Amethyst , Apatite , Aquamarine , Blue Topaz , Citrine , Emerald , Green Amethyst , Peridot 4332 - 4.49 ct Amethyst , Apatite , Aquamarine , Blue Topaz , Citrine , Emerald , Green Amethyst , Peridot
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 4,634.00 - 1,000,000.00
Sold to crunchiegr.. for (210.00 + 31.50BP) = 241.50
 
Details...Bookmark
1.34 ct Ruby & Diamond Ring 14kt Gold4333 - 1.34 ct Ruby & Diamond Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 6,496.00 - 1,000,000.00
Sold to floor for (290.00) = 290.00
 
Details...Bookmark
6.6 ct Amethyst , Apatite & Peridot Ring 14kt Gold4334 - 6.6 ct Amethyst , Apatite & Peridot Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 5,015.00 - 1,000,000.00
Sold to floor for (260.00) = 260.00
 
Details...Bookmark
8.02 ct Blue Diamond & Ruby Ring 14kt Gold4335 - 8.02 ct Blue Diamond & Ruby Ring 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 4,816.00 - 1,000,000.00
Sold to floor for (260.00) = 260.00
 
Details...Bookmark
11.02 ct Blue Diamond & Ruby Pendant 14kt Gold4336 - 11.02 ct Blue Diamond & Ruby Pendant 14kt Gold
Neimans Exquisite Jewelry
<!-- Begin Description --><TABLE height='100%' cellSpacing=0 cellPadding=0 width='100%' border=0><TBODY><TR>...
Bidding Has Concluded
Estimate : 3,663.00 - 1,000,000.00
Sold to floor for (220.00) = 220.00
 
Details...Bookmark