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Oval|Natural|GIA

0.51ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 5543344670

Certificate GIA 5543344670

Diamond specifications and retailer prices

From $504 NZD
SGD 384 SGD
As of November 1, 2026
Save $776 NZD (61%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,280 NZD 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 $504 to $1,280, a $776 spread on the same certified stone. Frank Darling lists it at $1,280. 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
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,280 NZD|Low: $359 NZD|High: $1,348 NZD|Avg: $729 NZD|-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$359 NZD
Retailer 5$504 NZD
Retailer 4$541 NZD
Retailer 3$591 NZD
Retailer 2$654 NZD
Retailer 8$671 NZD
Retailer 6$784 NZD
Retailer 7$960 NZD
Frank Darling$1,280 NZD

16 data points across 9 retailers

7 retailers$504 NZD to $1,280 NZD

A
Cheapest Retailer
-
$504 NZD
SGD 384 SGD
A
Retailer 2
-
$541 NZD
SGD 412 SGD
View
A
Retailer 3
-
$591 NZD
£262 GBP
View
A
Retailer 4
-
$654 NZD
$369 USD
View
A
Retailer 5
-
$671 NZD
$378 USD
View
A
Retailer 6
-
$784 NZD
$442 USD
View
Most Expensive
B+
Frank Darling
2572895HK · Nov 1
$1,280 NZD
$721 USD
View
6 more retailers have this diamond
Prices start from $504 NZDSave up to $776 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
$504 NZD