Oval|Natural|GIA

1.51ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 2516806773

Certificate GIA 2516806773

Diamond specifications and retailer prices

From $3,867 USD
As of October 30, 2026
Save $4,755 USD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,622 USD 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 $3,867 to $8,622, a $4,755 spread on the same certified stone. NZ Jewellers lists it at $8,622. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $8,622 USD|Low: $3,582 USD|High: $8,622 USD|Avg: $5,251 USD
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 1, 2026
Retailer 10$3,945 USD
Retailer 12$4,005 USD
Retailer 11$4,138 USD
Retailer 3$4,483 USD
Retailer 5$4,483 USD
Retailer 13$4,483 USD
Retailer 9$4,539 USD
Retailer 6$4,921 USD
Retailer 4$5,173 USD
Retailer 8$5,464 USD
Retailer 7$5,602 USD
Retailer 2$7,883 USD
NZ Jewellers$8,622 USD

42 data points across 13 retailers

17 retailers$3,867 USD to $8,622 USD

A
Cheapest Retailer
-
$3,867 USD
B+
Retailer 2
-
$3,945 USD
View
Retailer 3
-
$4,005 USD
View
Price last confirmed 24 days ago
B+
Retailer 4
-
$4,138 USD
View
Final sale: no returns
B+
Retailer 5
-
$4,483 USD
View
B+
Retailer 6
-
$4,483 USD
View
B+
Retailer 7
-
$4,483 USD
View
B+
Retailer 8
-
$4,539 USD
View
B+
Retailer 9
-
$4,918 USD
View
B+
Retailer 10
-
$4,921 USD
£3,875 GBP
View
B+
Retailer 11
-
$4,940 USD
View
B+
Retailer 12
-
$4,940 USD
View
B
Retailer 13
-
$5,110 USD
View
B
Retailer 14
-
$5,173 USD
View
B
Retailer 15
-
$5,602 USD
€5,335 EUR
View
B
Retailer 16
-
$7,883 USD
£6,207 GBP
View
Most Expensive
B
NZ Jewellers
81e1ca6d-241d-4404-9e81-4fb04f3e8600 · Oct 30
$8,622 USD
View
16 more retailers have this diamond
Prices start from $3,867 USDSave up to $4,755 USD

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
$3,867 USD