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Oval|Natural|GIA

0.51ct F SI2 Oval Natural Diamond

EX • F/SI2 • GIA 2564708245

Certificate GIA 2564708245

Diamond specifications and retailer prices

From $515 SGD
As of November 6, 2026
Save $1,820 SGD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,335 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 F 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 2564708245. Listed at 16 retailers as of November 5, 2026, with prices from $515 to $2,335, a $1,820 spread on the same certified stone. NZ Jewellers lists it at $2,335. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2564708245
Dimensions6.52 × 4.49 × 2.77 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
6.52 mm4.49 mm0.51 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2564708245
Side View
Table 59.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 61.8%

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: $2,335 SGD|Low: $515 SGD|High: $2,447 SGD|Avg: $958 SGD|-4.6%
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
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 15$515 SGD
Retailer 9$545 SGD
Retailer 14$727 SGD
Retailer 2$741 SGD
Retailer 3$743 SGD
Retailer 13$745 SGD
Retailer 16$802 SGD
Retailer 7$828 SGD
Retailer 4$859 SGD
Retailer 8$884 SGD
Retailer 10$884 SGD
Retailer 12$905 SGD
Retailer 6$993 SGD
Retailer 11$1,000 SGD
Retailer 5$1,744 SGD
NZ Jewellers$2,335 SGD

12 data points across 16 retailers

16 retailers$515 SGD to $2,335 SGD

A
Cheapest Retailer
-
$515 SGD
Final sale: no returns
A
Retailer 2
-
$545 SGD
View
A
Retailer 3
-
$727 SGD
View
A
Retailer 4
-
$741 SGD
View
A
Retailer 5
-
$743 SGD
View
A
Retailer 6
-
$745 SGD
View
A
Retailer 7
-
$802 SGD
View
Retailer 8
-
$828 SGD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$859 SGD
View
Retailer 10
-
$884 SGD
View
Price last confirmed 10 days ago
A
Retailer 11
-
$884 SGD
View
A
Retailer 12
-
$905 SGD
View
B+
Retailer 13
-
$993 SGD
View
B+
Retailer 14
-
$1,000 SGD
View
B
Retailer 15
-
$1,744 SGD
View
Most Expensive
B
NZ Jewellers
eebda3ae-acc0-4855-b36f-1bf6872e3b09 · Nov 5
$2,335 SGD
$1,822 USD
View
15 more retailers have this diamond
Prices start from $515 SGDSave up to $1,820 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
$515 SGD