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Oval|Natural|GIA

0.51ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 6562430054

Certificate GIA 6562430054

Diamond specifications and retailer prices

From $790 NZD
As of November 5, 2026
Save $811 NZD (51%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,601 NZD 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562430054. Listed at 9 retailers as of November 5, 2026, with prices from $790 to $1,601, a $811 spread on the same certified stone. Frank Darling lists it at $1,601. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle34.54°
Pavilion angle40.99°
OriginNatural
Grading LabGIA
CertificateGIA 6562430054
Dimensions6.53 × 4.54 × 2.77 mm
L/W Ratio1.44
Culet sizeNone
Top View
6.53 mm4.54 mm0.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6562430054
Side View
Table 59.0%Crown 34.54°Girdle: MED-THKPavilion 40.99°Culet: NoneDepth 61.0%

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: $1,601 NZD|Low: $787 NZD|High: $1,613 NZD|Avg: $1,106 NZD|-0.7%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 2$790 NZD
Retailer 8$824 NZD
Retailer 9$875 NZD
Retailer 4$969 NZD
Retailer 3$1,072 NZD
Retailer 6$1,154 NZD
Retailer 5$1,183 NZD
Retailer 7$1,256 NZD
Frank Darling$1,601 NZD

17 data points across 9 retailers

9 retailers$790 NZD to $1,601 NZD

A
Cheapest Retailer
-
$790 NZD
A
Retailer 2
-
$824 NZD
View
Retailer 3
-
$875 NZD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$969 NZD
View
A
Retailer 5
-
$1,072 NZD
View
A
Retailer 6
-
$1,154 NZD
View
A
Retailer 7
-
$1,183 NZD
View
B+
Retailer 8
-
$1,256 NZD
View
Most Expensive
B
Frank Darling
2694476HK · Nov 6
$1,601 NZD
$888 USD
View
8 more retailers have this diamond
Prices start from $790 NZDSave up to $811 NZD

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
$790 NZD