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Oval|Natural|GIA

1.51ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 2516806773

Certificate GIA 2516806773

Diamond specifications and retailer prices

From $6,861 NZD
$3,867 USD
As of November 1, 2026
Save $8,437 NZD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $15,298 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 J 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 2516806773. Listed at 17 retailers as of October 30, 2026, with prices from $6,861 to $15,298, a $8,437 spread on the same certified stone. NZ Jewellers lists it at $15,298. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle41.73°
Pavilion angle40.02°
OriginNatural
Grading LabGIA
CertificateGIA 2516806773
Dimensions8.66 × 6.24 × 4.02 mm
L/W Ratio1.39
Top View
8.66 mm6.24 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2516806773
Side View
Table 58.0%Crown 41.73°Girdle: STK-VTKPavilion 40.02°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
A
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: $15,298 NZD|Low: $6,356 NZD|High: $15,298 NZD|Avg: $9,326 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
Retailer 13
November 2, 2026
Retailer 10$7,000 NZD
Retailer 12$7,106 NZD
Retailer 11$7,342 NZD
Retailer 3$7,954 NZD
Retailer 5$7,954 NZD
Retailer 13$7,954 NZD
Retailer 9$8,054 NZD
Retailer 6$8,732 NZD
Retailer 4$9,178 NZD
Retailer 8$9,695 NZD
Retailer 2$9,934 NZD
Retailer 7$13,987 NZD
NZ Jewellers$15,298 NZD

42 data points across 13 retailers

17 retailers$6,861 NZD to $15,298 NZD

A
Cheapest Retailer
-
$6,861 NZD
$3,867 USD
B+
Retailer 2
-
$7,000 NZD
$3,945 USD
View
Retailer 3
-
$7,106 NZD
$4,005 USD
View
Price last confirmed 25 days ago
B+
Retailer 4
-
$7,342 NZD
$4,138 USD
View
Final sale: no returns
B+
Retailer 5
-
$7,954 NZD
$4,483 USD
View
B+
Retailer 6
-
$7,954 NZD
$4,483 USD
View
B+
Retailer 7
-
$7,954 NZD
$4,483 USD
View
B+
Retailer 8
-
$8,054 NZD
$4,539 USD
View
B+
Retailer 9
-
$8,726 NZD
$4,918 USD
View
B+
Retailer 10
-
$8,732 NZD
£3,875 GBP
View
B+
Retailer 11
-
$8,765 NZD
$4,940 USD
View
B+
Retailer 12
-
$8,765 NZD
$4,940 USD
View
B
Retailer 13
-
$9,067 NZD
$5,110 USD
View
B
Retailer 14
-
$9,178 NZD
$5,173 USD
View
B
Retailer 15
-
$9,934 NZD
€5,332 EUR
View
B
Retailer 16
-
$13,987 NZD
£6,207 GBP
View
Most Expensive
B
NZ Jewellers
81e1ca6d-241d-4404-9e81-4fb04f3e8600 · Oct 30
$15,298 NZD
$8,622 USD
View
16 more retailers have this diamond
Prices start from $6,861 NZDSave up to $8,437 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.

A
1.51ct Oval
$6,861 NZD