Oval|Natural|GIA

1.51ct F SI2 Oval Natural Diamond

ID • F/SI2 • GIA 1537184523

Certificate GIA 1537184523

Diamond specifications and retailer prices

From $11,563 NZD

$6,506 USD

As of November 1, 2026

Save $12,917 NZD (53%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: $24,481 NZD at NZ Jewellers · As of November 2, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1537184523. Listed at 14 retailers as of November 1, 2026, with prices from $11,563 to $24,481, a $12,917 spread on the same certified stone. NZ Jewellers lists it at $24,481. 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

Ideal

Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal

PolishExcellent

SymmetryVery Good

FluorescenceFaint

Crown angle41.63°

Pavilion angle37.07°

OriginNatural

Grading LabGIA

CertificateGIA 1537184523

Dimensions9.04 × 6.14 × 3.89 mm

L/W Ratio1.47

Girdle conditionExtremely Thick

Key to symbols

Crystal, Twinning Wisp, Feather, Indented Natural

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutIdeal

PolishExcellent

SymmetryVery Good

FluorescenceFaint

CertificateGIA 1537184523

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 1

Current: $24,481 NZD|Low: $11,563 NZD|High: $25,639 NZD|Avg: $15,936 NZD|-4.5%

NZ Jewellers

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

November 2, 2026

Retailer 4$11,563 NZD

Retailer 14$12,173 NZD

Retailer 6$12,240 NZD

Retailer 10$12,342 NZD

Retailer 3$13,260 NZD

Retailer 5$13,465 NZD

Retailer 7$13,812 NZD

Retailer 13$14,009 NZD

Retailer 2$14,825 NZD

Retailer 12$15,301 NZD

Retailer 11$15,813 NZD

Retailer 9$16,122 NZD

Retailer 8$20,398 NZD

NZ Jewellers$24,481 NZD

41 data points across 14 retailers

14 retailers$11,563 NZD to $24,481 NZD

Cheapest Retailer

$11,563 NZD

$6,506 USD

B+

Retailer 2

$12,173 NZD

CA$9,513 CAD

View

B+

Retailer 3

$12,240 NZD

$6,887 USD

View

B+

Retailer 4

$12,342 NZD

$6,944 USD

View

B+

Retailer 5

$13,260 NZD

$7,461 USD

View

B+

Retailer 6

$13,465 NZD

$7,576 USD

View

B+

Retailer 7

$13,812 NZD

£6,119 GBP

View

B+

Retailer 8

$14,009 NZD

$7,882 USD

View

B+

Retailer 9

$14,510 NZD

$8,164 USD

View

B+

Retailer 10

$14,825 NZD

€7,944 EUR

View

Retailer 11

$15,301 NZD

$8,609 USD

View

B+

Retailer 12

$15,813 NZD

$8,897 USD

View

Retailer 13

$20,398 NZD

£9,037 GBP

View

Most Expensive

NZ Jewellers

6b4413de-67c2-4282-a7dc-0c7212a8737d · Nov 2

$24,481 NZD

$13,774 USD

View

13 more retailers have this diamond

Prices start from $11,563 NZDSave up to $12,917 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

1.51ct Oval

$11,563 NZD