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Oval|Natural|GIA

0.51ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 1568673941

Certificate GIA 1568673941

Diamond specifications and retailer prices

From $562 USD
As of November 5, 2026
Save $493 USD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,055 USD 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 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 1568673941. Listed at 8 retailers as of November 5, 2026, with prices from $562 to $1,055, a $493 spread on the same certified stone. Frank Darling lists it at $1,055. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.54°
Pavilion angle39.21°
OriginNatural
Grading LabGIA
CertificateGIA 1568673941
Dimensions6.36 × 4.45 × 2.77 mm
L/W Ratio1.43
Culet sizeNone
Top View
6.36 mm4.45 mm0.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568673941
Side View
Table 59.0%Crown 40.54°Girdle: STK-THKPavilion 39.21°Culet: NoneDepth 62.2%

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 5
Current: $1,055 USD|Low: $561 USD|High: $1,055 USD|Avg: $803 USD
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4$562 USD
Retailer 5$630 USD
Retailer 8$632 USD
Retailer 3$735 USD
Retailer 7$821 USD
Retailer 2$882 USD
Retailer 6$942 USD
Frank Darling$1,055 USD

17 data points across 8 retailers

8 retailers$562 USD to $1,055 USD

A
Cheapest Retailer
-
$562 USD
A
Retailer 2
-
$630 USD
View
A
Retailer 3
-
$632 USD
View
B+
Retailer 4
-
$735 USD
View
B+
Retailer 5
-
$821 USD
View
B+
Retailer 6
-
$882 USD
View
B+
Retailer 7
-
$942 USD
View
Most Expensive
B
Frank Darling
2707070HK · Nov 6
$1,055 USD
View
7 more retailers have this diamond
Prices start from $562 USDSave up to $493 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
$562 USD