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Oval|Natural|GIA

1.51ct F SI2 Oval Natural Diamond

ID • F/SI2 • GIA 6233707718

Certificate GIA 6233707718

Diamond specifications and retailer prices

From $7,286 SGD
As of November 2, 2026
Save $5,647 SGD (44%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $12,933 SGD at NZ Jewellers · As of November 2, 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6233707718. Listed at 6 retailers as of November 2, 2026, with prices from $7,286 to $12,933, a $5,647 spread on the same certified stone. NZ Jewellers lists it at $12,933. 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
F
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle37.03°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6233707718
Dimensions8.82 × 6.36 × 4.08 mm
L/W Ratio1.39
Top View
8.82 mm6.36 mm1.51 ctF / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6233707718
Side View
Table 61.0%Crown 37.03°Girdle: MediumPavilion 40.8°Culet: NoneDepth 64.2%

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 2
Current: $12,933 SGD|Low: $7,286 SGD|High: $13,066 SGD|Avg: $9,030 SGD|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 3$7,286 SGD
Retailer 5$7,733 SGD
Retailer 6$7,733 SGD
Retailer 7$7,864 SGD
Retailer 10$7,959 SGD
Retailer 8$8,361 SGD
Retailer 9$8,691 SGD
Retailer 2$8,741 SGD
Retailer 4$11,391 SGD
NZ Jewellers$12,933 SGD

28 data points across 10 retailers

6 retailers$7,286 SGD to $12,933 SGD

A
Cheapest Retailer
-
$7,286 SGD
A
Retailer 2
-
$7,733 SGD
View
A
Retailer 3
-
$7,733 SGD
View
A
Retailer 4
-
$7,864 SGD
View
B+
Retailer 5
-
$11,391 SGD
View
Most Expensive
B
NZ Jewellers
a2274e47-11d6-446e-bc6b-0c603322b6b4 · Nov 2
$12,933 SGD
$10,091 USD
View
5 more retailers have this diamond
Prices start from $7,286 SGDSave up to $5,647 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
$7,286 SGD