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Oval|Natural|GIA

0.51ct I SI2 Oval Natural Diamond

GD • I/SI2 • GIA 7561559766

Certificate GIA 7561559766

Diamond specifications and retailer prices

From $819 NZD
HK$3,600 HKD
As of November 1, 2026
Save $547 NZD (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,366 NZD at Yorxs · As of November 2, 2026
View at Yorxs

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 7561559766. Listed at 6 retailers as of November 1, 2026, with prices from $819 to $1,366, a $547 spread on the same certified stone. Yorxs lists it at $1,366. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
I
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7561559766
Dimensions6.50 × 4.49 × 2.78 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
6.50 mm4.49 mm0.51 ctI / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7561559766
Side View
Table 61.0%CrownGirdle: ThickPavilionCulet: NDepth 62.0%

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: $990 NZD|Low: $819 NZD|High: $1,388 NZD|Avg: $1,023 NZD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Yorxs
November 2, 2026
Retailer 2$819 NZD
Retailer 3$910 NZD
Retailer 1$990 NZD
Retailer 4$1,036 NZD
Yorxs$1,366 NZD

11 data points across 5 retailers

6 retailers$819 NZD to $1,366 NZD

A
Cheapest Retailer
-
$819 NZD
HK$3,600 HKD
B+
Retailer 2
-
$910 NZD
$512 USD
View
Final sale: no returns
B+
Retailer 3
-
$990 NZD
$557 USD
View
B+
Retailer 4
-
$1,011 NZD
SGD 769 SGD
View
B+
Retailer 5
-
$1,036 NZD
SGD 788 SGD
View
Most Expensive
B
Yorxs
621462213 · Nov 2
$1,366 NZD
€732 EUR
View
5 more retailers have this diamond
Prices start from $819 NZDSave up to $547 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
$819 NZD