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Oval|Natural|GIA

1.51ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 2245063367

Certificate GIA 2245063367

Diamond specifications and retailer prices

From $4,402 SGD
HK$26,900 HKD
As of November 1, 2026
Save $6,067 SGD (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $10,469 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2245063367. Listed at 9 retailers as of October 30, 2026, with prices from $4,402 to $10,469, a $6,067 spread on the same certified stone. NZ Jewellers lists it at $10,469. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle36.09°
OriginNatural
Grading LabGIA
CertificateGIA 2245063367
Dimensions8.97 × 6.23 × 4.03 mm
L/W Ratio1.44
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
8.97 mm6.23 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245063367
Side View
Table 59.0%CrownGirdle: STK-THKPavilion 36.09°Culet: NoneDepth 64.7%

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: $10,469 SGD|Low: $4,369 SGD|High: $11,159 SGD|Avg: $6,937 SGD|-6.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6$4,402 SGD
Retailer 5$5,296 SGD
Retailer 9$5,700 SGD
Retailer 2$5,781 SGD
Retailer 4$6,008 SGD
Retailer 8$6,108 SGD
Retailer 7$6,771 SGD
Retailer 3$9,571 SGD
NZ Jewellers$10,469 SGD

32 data points across 9 retailers

9 retailers$4,402 SGD to $10,469 SGD

A
Cheapest Retailer
-
$4,402 SGD
HK$26,900 HKD
B+
Retailer 2
-
$5,296 SGD
$4,143 USD
View
B+
Retailer 3
-
$5,700 SGD
View
B+
Retailer 4
-
$5,781 SGD
£3,561 GBP
View
B+
Retailer 5
-
$6,008 SGD
$4,700 USD
View
B+
Retailer 6
-
$6,108 SGD
$4,778 USD
View
B+
Retailer 7
-
$6,771 SGD
€5,044 EUR
View
B
Retailer 8
-
$9,571 SGD
£5,895 GBP
View
Most Expensive
B
NZ Jewellers
eb5d03ee-47f6-44f0-a5a7-9fd7c8999cc4 · Oct 30
$10,469 SGD
$8,189 USD
View
8 more retailers have this diamond
Prices start from $4,402 SGDSave up to $6,067 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
$4,402 SGD