Oval|Natural|GIA

1.50ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 6512887515

Certificate GIA 6512887515

Diamond specifications and retailer prices

From $10,900 NZD

$6,143 USD

As of October 31, 2026

Save $13,644 NZD (56%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: $24,544 NZD at NZ Jewellers · As of October 30, 2026

View at NZ Jewellers

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6512887515. Listed at 25 retailers as of October 30, 2026, with prices from $10,900 to $24,544, a $13,644 spread on the same certified stone. NZ Jewellers lists it at $24,544. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50

Carat

Colour

SI2

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishVery Good

SymmetryExcellent

FluorescenceNone

OriginNatural

Grading LabGIA

CertificateGIA 6512887515

Dimensions9.21 × 6.44 × 3.96 mm

L/W Ratio1.43

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishVery Good

SymmetryExcellent

FluorescenceNone

CertificateGIA 6512887515

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31

Current: $24,544 NZD|Low: $10,900 NZD|High: $24,544 NZD|Avg: $15,772 NZD

NZ Jewellers

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

November 1, 2026

Retailer 9$10,900 NZD

Retailer 6$11,723 NZD

Retailer 7$13,499 NZD

Retailer 8$13,740 NZD

Retailer 2$13,849 NZD

Retailer 4$14,260 NZD

Retailer 3$16,035 NZD

Retailer 5$20,562 NZD

NZ Jewellers$24,544 NZD

44 data points across 9 retailers

25 retailers$10,900 NZD to $24,544 NZD

B+

Cheapest Retailer

$10,900 NZD

$6,143 USD

B+

Retailer 2

$11,379 NZD

$6,413 USD

View

B+

Retailer 3

$11,593 NZD

$6,534 USD

View

B+

Retailer 4

$11,723 NZD

$6,607 USD

View

Final sale: no returns

B+

Retailer 5

$11,771 NZD

$6,634 USD

View

B+

Retailer 6

$12,206 NZD

CA$9,555 CAD

View

B+

Retailer 7

$12,271 NZD

$6,916 USD

View

B+

Retailer 8

$12,374 NZD

$6,974 USD

View

Retailer 9

$13,069 NZD

$7,366 USD

View

B+

Retailer 10

$13,295 NZD

$7,493 USD

View

B+

Retailer 11

$13,499 NZD

$7,608 USD

View

B+

Retailer 12

$13,563 NZD

$7,644 USD

View

Retailer 13

$13,740 NZD

$7,744 USD

View

B+

Retailer 14

$13,849 NZD

£6,146 GBP

View

Retailer 15

$14,047 NZD

$7,917 USD

View

B+

Retailer 16

$14,260 NZD

£6,328 GBP

View

Retailer 17

$14,673 NZD

$8,270 USD

View

Retailer 18

$14,673 NZD

$8,270 USD

View

Retailer 19

$14,812 NZD

$8,348 USD

View

Retailer 20

$15,153 NZD

$8,540 USD

View

Retailer 21

$15,341 NZD

$8,646 USD

View

Retailer 22

$16,035 NZD

€8,607 EUR

View

Retailer 23

$16,178 NZD

$9,118 USD

View

Retailer 24

$20,562 NZD

£9,125 GBP

View

Most Expensive

NZ Jewellers

ae189e5f-e719-447a-814f-c49b131cc493 · Oct 30

$24,544 NZD

$13,833 USD

View

24 more retailers have this diamond

Prices start from $10,900 NZDSave up to $13,644 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

Similar diamonds

B+

1.50ct Oval

$10,900 NZD