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Oval|Natural|GIA

1.51ct K SI2 Oval Natural Diamond

ID • K/SI2 • GIA 2447864922

Certificate GIA 2447864922

Diamond specifications and retailer prices

From $4,879 SGD
As of November 6, 2026
Save $6,041 SGD (55%) vs most expensive(unlock to see where)
14 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 2447864922. Listed at 14 retailers as of November 5, 2026, with prices from $4,879 to $10,921, a $6,041 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2447864922
Dimensions8.59 × 6.28 × 4.07 mm
L/W Ratio1.37
Top View
8.59 mm6.28 mm1.51 ctK / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2447864922
Side View
Table 61.0%CrownGirdle: UNDPavilionCulet: NDepth 64.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $10,921 SGD|Low: $4,879 SGD|High: $10,921 SGD|Avg: $6,916 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 3$4,879 SGD
Retailer 6$5,219 SGD
Retailer 8$5,916 SGD
Retailer 9$5,916 SGD
Retailer 11$5,916 SGD
Retailer 4$6,430 SGD
Retailer 2$6,507 SGD
Retailer 10$6,826 SGD
Retailer 7$7,386 SGD
Retailer 5$10,372 SGD
NZ Jewellers$10,921 SGD

44 data points across 11 retailers

14 retailers$4,879 SGD to $10,921 SGD

B+
Cheapest Retailer
-
$4,879 SGD
B+
Retailer 2
-
$5,158 SGD
View
B+
Retailer 3
-
$5,219 SGD
View
B+
Retailer 4
-
$5,874 SGD
View
Retailer 5
-
$5,916 SGD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$5,916 SGD
View
B+
Retailer 7
-
$5,916 SGD
View
B+
Retailer 8
-
$6,430 SGD
View
B+
Retailer 9
-
$6,507 SGD
View
B
Retailer 10
-
$6,758 SGD
View
B
Retailer 11
-
$6,826 SGD
View
B
Retailer 12
-
$7,386 SGD
View
B
Retailer 13
-
$10,372 SGD
View
Most Expensive
C
NZ Jewellers
17671d82-d46a-47d7-843d-2b13f8a86746 · Nov 5
$10,921 SGD
$8,521 USD
View
13 more retailers have this diamond
Prices start from $4,879 SGDSave up to $6,041 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.

B+
1.51ct Oval
$4,879 SGD