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Oval|Natural|GIA

0.51ct J I1 Oval Natural Diamond

VG • J/I1 • GIA 6371043187

Certificate GIA 6371043187

Diamond specifications and retailer prices

From $474 AUD
HK$2,600 HKD
As of November 1, 2026
Save $426 AUD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,117 AUD at NZ Jewellers · As of October 30, 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 J colour (near-colourless) and I1 clarity (included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6371043187. Listed at 8 retailers as of November 1, 2026, with a 90% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
J
Colour
I1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryGood
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6371043187
Dimensions6.64 × 4.31 × 2.73 mm
L/W Ratio1.54
Top View
6.64 mm4.31 mm0.51 ctJ / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceStrong
CertificateGIA 6371043187
Side View
Table 58.0%CrownGirdle: NULPavilionCulet: NoneDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $900 AUD|Low: $474 AUD|High: $900 AUD|Avg: $697 AUD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$474 AUD
Retailer 4$552 AUD
Retailer 6$595 AUD
Retailer 2$602 AUD
Retailer 5$743 AUD
Retailer 3$770 AUD
Retailer 8$816 AUD
Retailer 9$830 AUD
Retailer 1$900 AUD

17 data points across 9 retailers

8 retailers$474 AUD to $900 AUD

B+
Cheapest Retailer
-
$474 AUD
HK$2,600 HKD
B+
Retailer 2
-
$552 AUD
$388 USD
View
B+
Retailer 3
-
$595 AUD
$418 USD
View
B+
Retailer 4
-
$616 AUD
$433 USD
View
B
Retailer 5
-
$743 AUD
$522 USD
View
B
Retailer 6
-
$770 AUD
$541 USD
View
B
Retailer 7
-
$900 AUD
€602 EUR
View
Most Expensive
NZ Jewellers
ec87aaea-d811-4a07-8b16-73bcf4321677 · Oct 30
$2,117 AUD
$1,487 USD
View
Price under review
7 more retailers have this diamond
Prices start from $474 AUDSave up to $426 AUD

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
$474 AUD