CaratHunter
Plans
Oval|Natural|GIA

1.51ct J SI2 Oval Natural Diamond

EX • J/SI2 • GIA 2516806773

Certificate GIA 2516806773

Diamond specifications and retailer prices

From $4,944 SGD
$3,867 USD
As of November 1, 2026
Save $6,079 SGD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $11,022 SGD 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 $4,944 to $11,022, a $6,079 spread on the same certified stone. NZ Jewellers lists it at $11,022. 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: $11,022 SGD|Low: $4,579 SGD|High: $11,022 SGD|Avg: $6,721 SGD
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$5,043 SGD
Retailer 12$5,120 SGD
Retailer 11$5,290 SGD
Retailer 3$5,731 SGD
Retailer 5$5,731 SGD
Retailer 13$5,731 SGD
Retailer 9$5,803 SGD
Retailer 6$6,291 SGD
Retailer 4$6,613 SGD
Retailer 8$6,985 SGD
Retailer 7$7,161 SGD
Retailer 2$10,077 SGD
NZ Jewellers$11,022 SGD

41 data points across 13 retailers

17 retailers$4,944 SGD to $11,022 SGD

A
Cheapest Retailer
-
$4,944 SGD
$3,867 USD
B+
Retailer 2
-
$5,043 SGD
$3,945 USD
View
Retailer 3
-
$5,120 SGD
$4,005 USD
View
Price last confirmed 25 days ago
B+
Retailer 4
-
$5,290 SGD
$4,138 USD
View
Final sale: no returns
B+
Retailer 5
-
$5,731 SGD
$4,483 USD
View
B+
Retailer 6
-
$5,731 SGD
$4,483 USD
View
B+
Retailer 7
-
$5,731 SGD
$4,483 USD
View
B+
Retailer 8
-
$5,803 SGD
$4,539 USD
View
B+
Retailer 9
-
$6,287 SGD
$4,918 USD
View
B+
Retailer 10
-
$6,291 SGD
£3,875 GBP
View
B+
Retailer 11
-
$6,315 SGD
$4,940 USD
View
B+
Retailer 12
-
$6,315 SGD
$4,940 USD
View
B
Retailer 13
-
$6,533 SGD
$5,110 USD
View
B
Retailer 14
-
$6,613 SGD
$5,173 USD
View
B
Retailer 15
-
$7,161 SGD
€5,335 EUR
View
B
Retailer 16
-
$10,077 SGD
£6,207 GBP
View
Most Expensive
B
NZ Jewellers
81e1ca6d-241d-4404-9e81-4fb04f3e8600 · Oct 30
$11,022 SGD
$8,622 USD
View
16 more retailers have this diamond
Prices start from $4,944 SGDSave up to $6,079 SGD

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
$4,944 SGD