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Oval|Natural|GIA

1.51ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 5393552506

Certificate GIA 5393552506

Diamond specifications and retailer prices

From $4,277 SGD
As of November 6, 2026
Save $5,931 SGD (58%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,208 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 5393552506. Listed at 13 retailers as of November 5, 2026, with prices from $4,277 to $10,208, a $5,931 spread on the same certified stone. NZ Jewellers lists it at $10,208. 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
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5393552506
Dimensions8.96 × 6.30 × 3.83 mm
L/W Ratio1.42
Top View
8.96 mm6.30 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5393552506
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $10,208 SGD|Low: $4,277 SGD|High: $10,208 SGD|Avg: $6,342 SGD
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
November 6, 2026
Retailer 8$4,277 SGD
Retailer 3$4,670 SGD
Retailer 5$5,308 SGD
Retailer 11$5,308 SGD
Retailer 13$5,308 SGD
Retailer 4$5,394 SGD
Retailer 6$5,768 SGD
Retailer 2$5,831 SGD
Retailer 12$6,125 SGD
Retailer 9$6,627 SGD
Retailer 10$8,477 SGD
Retailer 7$9,306 SGD
NZ Jewellers$10,208 SGD

43 data points across 13 retailers

13 retailers$4,277 SGD to $10,208 SGD

A
Cheapest Retailer
-
$4,277 SGD
B+
Retailer 2
-
$4,670 SGD
View
Retailer 3
-
$5,308 SGD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$5,308 SGD
View
B+
Retailer 5
-
$5,308 SGD
View
B+
Retailer 6
-
$5,394 SGD
View
B+
Retailer 7
-
$5,768 SGD
View
B+
Retailer 8
-
$5,831 SGD
View
B+
Retailer 9
-
$6,125 SGD
View
B
Retailer 10
-
$6,627 SGD
View
B
Retailer 11
-
$8,477 SGD
View
B
Retailer 12
-
$9,306 SGD
View
Most Expensive
B
NZ Jewellers
190de76b-41cc-49dd-905a-593ead80c1cb · Nov 5
$10,208 SGD
$7,965 USD
View
12 more retailers have this diamond
Prices start from $4,277 SGDSave up to $5,931 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
$4,277 SGD