Oval|Natural|GIA

1.51ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 7451259245

Certificate GIA 7451259245

Diamond specifications and retailer prices

From $9,160 NZD

$5,154 USD

As of November 2, 2026

Save $11,279 NZD (55%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: $20,439 NZD at NZ Jewellers · As of October 30, 2026

View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct 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 7451259245. Listed at 19 retailers as of October 30, 2026, with prices from $9,160 to $20,439, a $11,279 spread on the same certified stone. NZ Jewellers lists it at $20,439. 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

1.51

Carat

Colour

SI2

Clarity

Excellent

Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

OriginNatural

Grading LabGIA

CertificateGIA 7451259245

Dimensions8.95 × 6.36 × 3.98 mm

L/W Ratio1.41

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutExcellent

PolishExcellent

SymmetryVery Good

FluorescenceNone

CertificateGIA 7451259245

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

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

Price History

Last verified: Nov 2

Current: $20,439 NZD|Low: $9,038 NZD|High: $20,439 NZD|Avg: $12,422 NZD

NZ Jewellers

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

November 2, 2026

Retailer 9$9,160 NZD

Retailer 7$9,313 NZD

Retailer 11$10,226 NZD

Retailer 4$10,305 NZD

Retailer 3$11,071 NZD

Retailer 8$11,071 NZD

Retailer 12$11,673 NZD

Retailer 5$11,720 NZD

Retailer 2$12,608 NZD

Retailer 10$12,773 NZD

Retailer 6$18,003 NZD

NZ Jewellers$20,439 NZD

41 data points across 12 retailers

19 retailers$9,160 NZD to $20,439 NZD

Cheapest Retailer

$9,160 NZD

$5,154 USD

Retailer 2

$9,313 NZD

$5,240 USD

View

B+

Retailer 3

$9,544 NZD

$5,370 USD

View

B+

Retailer 4

$9,654 NZD

$5,432 USD

View

B+

Retailer 5

$9,782 NZD

$5,504 USD

View

B+

Retailer 6

$10,226 NZD

CA$7,991 CAD

View

B+

Retailer 7

$10,305 NZD

$5,798 USD

View

B+

Retailer 8

$11,071 NZD

$6,229 USD

View

B+

Retailer 9

$11,071 NZD

$6,229 USD

View

B+

Retailer 10

$11,071 NZD

$6,229 USD

View

B+

Retailer 11

$11,673 NZD

$6,568 USD

View

B+

Retailer 12

$11,720 NZD

£5,192 GBP

View

Retailer 13

$12,317 NZD

$6,930 USD

View

Retailer 14

$12,317 NZD

$6,930 USD

View

B+

Retailer 15

$12,608 NZD

€6,756 EUR

View

Retailer 16

$12,725 NZD

$7,160 USD

View

Retailer 17

$12,773 NZD

$7,187 USD

View

Retailer 18

$18,003 NZD

£7,976 GBP

View

Most Expensive

NZ Jewellers

5ec193df-b980-434b-968c-8d67a70d9ecc · Oct 30

$20,439 NZD

$11,500 USD

View

18 more retailers have this diamond

Prices start from $9,160 NZDSave up to $11,279 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.

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1.51ct Oval

$9,160 NZD