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Oval|Natural|GIA

1.51ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 6532948762

Certificate GIA 6532948762

Diamond specifications and retailer prices

From $4,351 SGD
As of November 5, 2026
Save $6,569 SGD (60%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,921 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6532948762. Listed at 13 retailers as of November 5, 2026, with prices from $4,351 to $10,921, a $6,569 spread on the same certified stone. NZ Jewellers lists it at $10,921. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle39.6°
OriginNatural
Grading LabGIA
CertificateGIA 6532948762
Dimensions9.15 × 6.50 × 3.90 mm
L/W Ratio1.41
Top View
9.15 mm6.50 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6532948762
Side View
Table 62.0%CrownGirdle: STK-THKPavilion 39.6°Culet: NoneDepth 60.0%

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 5
Current: $10,921 SGD|Low: $4,327 SGD|High: $10,921 SGD|Avg: $6,877 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$4,351 SGD
Retailer 3$5,102 SGD
Retailer 7$5,916 SGD
Retailer 8$5,916 SGD
Retailer 11$5,916 SGD
Retailer 9$6,230 SGD
Retailer 4$6,430 SGD
Retailer 10$6,826 SGD
Retailer 2$6,951 SGD
Retailer 6$10,372 SGD
NZ Jewellers$10,921 SGD

42 data points across 11 retailers

13 retailers$4,351 SGD to $10,921 SGD

A
Cheapest Retailer
-
$4,351 SGD
B+
Retailer 2
-
$5,102 SGD
View
B+
Retailer 3
-
$5,158 SGD
View
B+
Retailer 4
-
$5,506 SGD
View
B+
Retailer 5
-
$5,916 SGD
View
Retailer 6
-
$5,916 SGD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$5,916 SGD
View
B+
Retailer 8
-
$6,230 SGD
View
B+
Retailer 9
-
$6,430 SGD
View
B
Retailer 10
-
$6,826 SGD
View
B
Retailer 11
-
$6,951 SGD
View
B
Retailer 12
-
$10,372 SGD
View
Most Expensive
B
NZ Jewellers
8fa0dd12-90e9-43ef-9559-2aea23fe6d66 · Nov 5
$10,921 SGD
$8,521 USD
View
12 more retailers have this diamond
Prices start from $4,351 SGDSave up to $6,569 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
$4,351 SGD