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Oval|Natural|GIA

0.51ct H SI1 Oval Natural Diamond

EX • H/SI1 • GIA 5563002670

Certificate GIA 5563002670

Diamond specifications and retailer prices

From $833 SGD
As of November 6, 2026
Save $549 SGD (40%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,382 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5563002670. Listed at 11 retailers as of November 6, 2026, with prices from $833 to $1,382, a $549 spread on the same certified stone. Frank Darling lists it at $1,382. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.37°
Pavilion angle39.65°
OriginNatural
Grading LabGIA
CertificateGIA 5563002670
Dimensions6.69 × 4.35 × 2.69 mm
L/W Ratio1.54
Culet sizeNone
Top View
6.69 mm4.35 mm0.51 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5563002670
Side View
Table 59.0%Crown 38.37°Girdle: MED-THKPavilion 39.65°Culet: 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: $1,382 SGD|Low: $833 SGD|High: $1,433 SGD|Avg: $1,089 SGD|-3.5%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 7$833 SGD
Retailer 3$841 SGD
Retailer 6$851 SGD
Retailer 10$895 SGD
Retailer 5$973 SGD
Retailer 8$1,094 SGD
Retailer 4$1,171 SGD
Retailer 9$1,178 SGD
Retailer 2$1,235 SGD
Retailer 11$1,256 SGD
Frank Darling$1,382 SGD

29 data points across 11 retailers

11 retailers$833 SGD to $1,382 SGD

A
Cheapest Retailer
-
$833 SGD
A
Retailer 2
-
$841 SGD
View
B+
Retailer 3
-
$851 SGD
View
B+
Retailer 4
-
$895 SGD
View
B+
Retailer 5
-
$973 SGD
View
B+
Retailer 6
-
$1,094 SGD
View
B
Retailer 7
-
$1,171 SGD
View
B
Retailer 8
-
$1,178 SGD
View
B
Retailer 9
-
$1,235 SGD
View
B
Retailer 10
-
$1,256 SGD
View
Most Expensive
B
Frank Darling
2671124HK · Nov 6
$1,382 SGD
$1,079 USD
View
10 more retailers have this diamond
Prices start from $833 SGDSave up to $549 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
$833 SGD