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Oval|Natural|GIA

0.51ct D SI2 Oval Natural Diamond

GD • D/SI2 • GIA 2507889766

Certificate GIA 2507889766

Diamond specifications and retailer prices

From $846 SGD
As of November 6, 2026
Save $2,060 SGD (71%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,905 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 2507889766. Listed at 11 retailers as of November 5, 2026, with prices from $846 to $2,905, a $2,060 spread on the same certified stone. NZ Jewellers lists it at $2,905. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

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

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2507889766
Dimensions6.36 × 4.52 × 2.75 mm
L/W Ratio1.41
Top View
6.36 mm4.52 mm0.51 ctD / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2507889766
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,905 SGD|Low: $713 SGD|High: $3,017 SGD|Avg: $1,449 SGD|-3.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$846 SGD
Retailer 5$927 SGD
Retailer 7$962 SGD
Retailer 6$998 SGD
Retailer 4$1,059 SGD
Retailer 9$1,119 SGD
Retailer 3$1,296 SGD
Retailer 8$1,758 SGD
NZ Jewellers$2,905 SGD

44 data points across 9 retailers

11 retailers$846 SGD to $2,905 SGD

A
Cheapest Retailer
-
$846 SGD
Final sale: no returns
B+
Retailer 2
-
$927 SGD
View
B+
Retailer 3
-
$962 SGD
View
B+
Retailer 4
-
$978 SGD
View
B+
Retailer 5
-
$998 SGD
View
B+
Retailer 6
-
$1,059 SGD
View
B
Retailer 7
-
$1,119 SGD
View
B
Retailer 8
-
$1,188 SGD
View
B
Retailer 9
-
$1,296 SGD
View
B
Retailer 10
-
$1,758 SGD
View
Most Expensive
C
NZ Jewellers
b0d7bd41-02c5-4079-803d-9b2a8383066d · Nov 5
$2,905 SGD
$2,267 USD
View
10 more retailers have this diamond
Prices start from $846 SGDSave up to $2,060 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
$846 SGD