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Oval|Natural|GIA

0.51ct F SI1 Oval Natural Diamond

EX • F/SI1 • GIA 1567424503

Certificate GIA 1567424503

Diamond specifications and retailer prices

From $601 SGD
As of November 5, 2026
Save $586 SGD (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,188 SGD at Frank Darling · As of November 6, 2026
View at Frank Darling

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1567424503. Listed at 8 retailers as of November 5, 2026, with prices from $601 to $1,188, a $586 spread on the same certified stone. Frank Darling lists it at $1,188. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.33°
Pavilion angle42.03°
OriginNatural
Grading LabGIA
CertificateGIA 1567424503
Dimensions6.48 × 4.47 × 2.77 mm
L/W Ratio1.45
Culet sizeNone
Top View
6.48 mm4.47 mm0.51 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1567424503
Side View
Table 59.0%Crown 35.33°Girdle: THN-THKPavilion 42.03°Culet: NoneDepth 61.9%

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 5
Current: $1,188 SGD|Low: $597 SGD|High: $1,197 SGD|Avg: $852 SGD|-0.8%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 2$601 SGD
Retailer 7$638 SGD
Retailer 8$673 SGD
Retailer 3$829 SGD
Retailer 5$893 SGD
Retailer 4$909 SGD
Retailer 6$970 SGD
Frank Darling$1,188 SGD

14 data points across 8 retailers

8 retailers$601 SGD to $1,188 SGD

A
Cheapest Retailer
-
$601 SGD
A
Retailer 2
-
$638 SGD
View
Retailer 3
-
$673 SGD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$829 SGD
View
B+
Retailer 5
-
$893 SGD
View
A
Retailer 6
-
$909 SGD
View
B+
Retailer 7
-
$970 SGD
View
Most Expensive
B
Frank Darling
2695357HK · Nov 6
$1,188 SGD
$927 USD
View
7 more retailers have this diamond
Prices start from $601 SGDSave up to $586 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
$601 SGD