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Oval|Natural|GIA

0.51ct D SI2 Oval Natural Diamond

EX • D/SI2 • GIA 6515880819

Certificate GIA 6515880819

Diamond specifications and retailer prices

From $711 SGD
As of November 6, 2026
Save $2,317 SGD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,028 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded D 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 6515880819. Listed at 22 retailers as of November 5, 2026, with prices from $711 to $3,028, a $2,317 spread on the same certified stone. NZ Jewellers lists it at $3,028. 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

0.51
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6515880819
Dimensions6.06 × 4.38 × 2.83 mm
L/W Ratio1.38
Top View
6.06 mm4.38 mm0.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6515880819
Side View
Table 56.0%CrownGirdle: VTK-ETKPavilionCulet: NoneDepth 64.8%

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: $711 SGD|Low: $615 SGD|High: $2,832 SGD|Avg: $1,137 SGD|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$711 SGD
Retailer 8$891 SGD
Retailer 7$961 SGD
Retailer 5$966 SGD
Retailer 6$980 SGD
Retailer 3$1,148 SGD
Retailer 2$1,361 SGD
Retailer 4$1,769 SGD

41 data points across 8 retailers

22 retailers$711 SGD to $3,028 SGD

A
Cheapest Retailer
-
$711 SGD
Retailer 2
-
$738 SGD
View
Price last confirmed 63 days ago
A
Retailer 3
-
$891 SGD
View
Final sale: no returns
Retailer 4
-
$961 SGD
View
Price last confirmed 19 days ago
Retailer 5
-
$966 SGD
View
Price last confirmed 21 days ago
Retailer 6
-
$966 SGD
View
Price last confirmed 45 days ago
Retailer 7
-
$966 SGD
View
Price last confirmed 17 days ago
B+
Retailer 8
-
$966 SGD
View
A
Retailer 9
-
$980 SGD
View
Retailer 10
-
$1,115 SGD
View
Price last confirmed 67 days ago
B+
Retailer 11
-
$1,115 SGD
View
B+
Retailer 12
-
$1,115 SGD
View
Retailer 13
-
$1,115 SGD
View
Price last confirmed 45 days ago
B+
Retailer 14
-
$1,115 SGD
View
B+
Retailer 15
-
$1,135 SGD
View
B+
Retailer 16
-
$1,148 SGD
View
B+
Retailer 17
-
$1,361 SGD
View
B
Retailer 18
-
$1,769 SGD
View
Retailer 19
-
$3,028 SGD
View
Price last confirmed 68 days ago
B
Retailer 20
-
$3,028 SGD
View
Retailer 21
-
$3,028 SGD
View
Price last confirmed 48 days ago
Most Expensive
B
NZ Jewellers
ac2051ab-ac8c-4390-b85d-b8a5644c3624 · Nov 5
$3,028 SGD
$2,363 USD
View
21 more retailers have this diamond
Prices start from $711 SGDSave up to $2,317 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
0.51ct Oval
$711 SGD