Oval|Natural|GIA

0.51ct G SI1 Oval Natural Diamond

EX • G/SI1 • GIA 6565300031

Certificate GIA 6565300031

Diamond specifications and retailer prices

From HK$5,947 HKD
$758 USD
As of November 2, 2026
10 retailers carry this diamond
Most expensive: HK$15,551 HKD at NZ Jewellers · As of October 23, 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 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 6565300031. Listed at 10 retailers as of November 2, 2026. 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
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6565300031
Dimensions6.44 × 4.34 × 2.77 mm
L/W Ratio1.48
Girdle conditionVery Thick
Top View
6.44 mm4.34 mm0.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565300031
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 63.8%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: HK$15,551 HKD|Low: HK$3,170 HKD|High: HK$15,708 HKD|Avg: HK$7,123 HKD|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 24, 2026
Retailer 12HK$3,484 HKD
Retailer 6HK$3,719 HKD
Retailer 10HK$5,610 HKD
Retailer 5HK$5,779 HKD
Retailer 4HK$5,947 HKD
Retailer 11HK$5,993 HKD
Retailer 2HK$6,092 HKD
Retailer 8HK$7,242 HKD
Retailer 3HK$7,533 HKD
Retailer 7HK$7,566 HKD
Retailer 9HK$11,509 HKD
NZ JewellersHK$15,551 HKD

26 data points across 12 retailers

10 retailers

Retailer 1
-
HK$3,719 HKD
₹45,143 INR
Price last confirmed 10 days ago
Retailer 2
-
HK$5,610 HKD
$715 USD
View
Price last confirmed 10 days ago
Retailer 3
-
HK$5,779 HKD
£580 GBP
View
Price last confirmed 9 days ago
B+
Retailer 4
-
HK$5,947 HKD
$758 USD
View
Retailer 5
-
HK$5,993 HKD
$764 USD
View
Price last confirmed 15 days ago
Retailer 6
-
HK$6,092 HKD
£611 GBP
View
Price last confirmed 9 days ago
Retailer 7
-
HK$7,533 HKD
A$1,477 AUD
View
Price last confirmed 29 days ago
Retailer 8
-
HK$7,566 HKD
ZAR 15,579 ZAR
View
Price last confirmed 12 days ago
Retailer 9
-
HK$11,509 HKD
£1,155 GBP
View
Price last confirmed 12 days ago
Most Expensive
NZ Jewellers
b89befe1-dab5-4dbc-97ee-e8bfcf4c71b3 · Oct 23
HK$15,551 HKD
$1,982 USD
View
Price last confirmed 9 days ago
9 more retailers have this diamond
Prices start from HK$5,947 HKD

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.

B+
0.51ct Oval
HK$5,947 HKD