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Oval|Natural|GIA

0.51ct F SI2 Oval Natural Diamond

EX • F/SI2 • GIA 6565307176

Certificate GIA 6565307176

Diamond specifications and retailer prices

From $774 NZD
As of November 6, 2026
Save $2,432 NZD (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,206 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural oval diamond

This 0.51ct natural oval sits in the half to three-quarter carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565307176. Listed at 12 retailers as of November 5, 2026, with prices from $774 to $3,206, a $2,432 spread on the same certified stone. NZ Jewellers lists it at $3,206. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6565307176
Dimensions6.29 × 4.49 × 2.74 mm
L/W Ratio1.40
Girdle conditionMedium to Thick
Key to symbols
Twinning Wisp
Top View
6.29 mm4.49 mm0.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565307176
Side View
Table 60.0%CrownGirdle: UND-UNDPavilionCulet: NoneDepth 61.0%

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 6
Current: $774 NZD|Low: $774 NZD|High: $2,388 NZD|Avg: $1,296 NZD|-2.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1$774 NZD
Retailer 8$942 NZD
Retailer 7$1,100 NZD
Retailer 5$1,111 NZD
Retailer 2$1,214 NZD
Retailer 3$1,252 NZD
Retailer 6$1,517 NZD
Retailer 4$2,356 NZD

29 data points across 8 retailers

12 retailers$774 NZD to $3,206 NZD

A
Cheapest Retailer
-
$774 NZD
A
Retailer 2
-
$942 NZD
View
Final sale: no returns
A
Retailer 3
-
$1,023 NZD
View
A
Retailer 4
-
$1,100 NZD
View
A
Retailer 5
-
$1,111 NZD
View
A
Retailer 6
-
$1,180 NZD
View
A
Retailer 7
-
$1,214 NZD
View
B+
Retailer 8
-
$1,252 NZD
View
B+
Retailer 9
-
$1,259 NZD
View
B+
Retailer 10
-
$1,517 NZD
View
B
Retailer 11
-
$2,356 NZD
View
Most Expensive
B
NZ Jewellers
5e00d38b-622c-43f2-9f9e-ecd630ce6715 · Nov 5
$3,206 NZD
$1,777 USD
View
11 more retailers have this diamond
Prices start from $774 NZDSave up to $2,432 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
$774 NZD