Oval|Natural|GIA

0.51ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 5543344670

Certificate GIA 5543344670

Diamond specifications and retailer prices

From $284 USD
SGD 384 SGD
As of November 1, 2026
Save $437 USD (61%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $721 USD at Frank Darling · As of November 1, 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 G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5543344670. Listed at 7 retailers as of November 1, 2026, with prices from $284 to $721, a $437 spread on the same certified stone. Frank Darling lists it at $721. 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
G
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle38.53°
Pavilion angle39.41°
OriginNatural
Grading LabGIA
CertificateGIA 5543344670
Dimensions6.75 × 4.32 × 2.69 mm
L/W Ratio1.56
Top View
6.75 mm4.32 mm0.51 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5543344670
Side View
Table 59.0%Crown 38.53°Girdle: MED-THKPavilion 39.41°Culet: NoneDepth 62.3%

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 1
Current: $721 USD|Low: $202 USD|High: $760 USD|Avg: $412 USD|-5.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 28, 2026
Retailer 9$202 USD
Retailer 5$284 USD
Retailer 4$305 USD
Retailer 3$333 USD
Retailer 2$369 USD
Retailer 8$378 USD
Retailer 6$442 USD
Retailer 7$541 USD
Frank Darling$721 USD

17 data points across 9 retailers

7 retailers$284 USD to $721 USD

A
Cheapest Retailer
-
$284 USD
SGD 384 SGD
A
Retailer 2
-
$305 USD
SGD 412 SGD
View
A
Retailer 3
-
$333 USD
£262 GBP
View
A
Retailer 4
-
$369 USD
View
A
Retailer 5
-
$378 USD
View
A
Retailer 6
-
$442 USD
View
Most Expensive
B+
Frank Darling
2572895HK · Nov 1
$721 USD
View
6 more retailers have this diamond
Prices start from $284 USDSave up to $437 USD

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
$284 USD