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Oval|Natural|GIA

1.51ct J SI1 Oval Natural Diamond

ID • J/SI1 • GIA 1569500791

Certificate GIA 1569500791

Diamond specifications and retailer prices

From $3,412 SGD
As of November 6, 2026
Save $4,743 SGD (58%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,155 SGD at NZ Jewellers · As of November 5, 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 1569500791. Listed at 16 retailers as of November 5, 2026, with prices from $3,412 to $8,155, a $4,743 spread on the same certified stone. NZ Jewellers lists it at $8,155. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1569500791
Dimensions8.89 × 6.34 × 4.03 mm
L/W Ratio1.40
Girdle conditionFaceted
Top View
8.89 mm6.34 mm1.51 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1569500791
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.7%

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: Nov 6
Current: $8,155 SGD|Low: $3,330 SGD|High: $8,650 SGD|Avg: $5,197 SGD|-5.7%
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 3$3,412 SGD
Retailer 8$3,646 SGD
Retailer 7$4,172 SGD
Retailer 16$4,233 SGD
Retailer 5$4,320 SGD
Retailer 12$4,400 SGD
Retailer 10$4,479 SGD
Retailer 14$4,586 SGD
Retailer 11$4,750 SGD
Retailer 2$5,066 SGD
Retailer 6$5,165 SGD
Retailer 4$5,478 SGD
Retailer 13$5,713 SGD
Retailer 9$7,203 SGD
Retailer 15$7,808 SGD
NZ Jewellers$8,155 SGD

22 data points across 16 retailers

16 retailers$3,412 SGD to $8,155 SGD

A
Cheapest Retailer
-
$3,412 SGD
A
Retailer 2
-
$3,646 SGD
View
A
Retailer 3
-
$4,172 SGD
View
A
Retailer 4
-
$4,233 SGD
View
A
Retailer 5
-
$4,320 SGD
View
Final sale: no returns
A
Retailer 6
-
$4,400 SGD
View
A
Retailer 7
-
$4,479 SGD
View
A
Retailer 8
-
$4,586 SGD
View
A
Retailer 9
-
$4,750 SGD
View
B+
Retailer 10
-
$5,066 SGD
View
B+
Retailer 11
-
$5,165 SGD
View
B+
Retailer 12
-
$5,478 SGD
View
B+
Retailer 13
-
$5,713 SGD
View
B+
Retailer 14
-
$7,203 SGD
View
B
Retailer 15
-
$7,808 SGD
View
Most Expensive
B
NZ Jewellers
176928f9-5f78-4821-9886-4893f2b51c6c · Nov 5
$8,155 SGD
$6,363 USD
View
15 more retailers have this diamond
Prices start from $3,412 SGDSave up to $4,743 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
$3,412 SGD