Radiant|Natural|GIA

0.51ct I VS2 Radiant Natural Diamond

EX • I/VS2 • GIA 6542390400

Certificate GIA 6542390400

Diamond specifications and retailer prices

From $409 USD
As of November 2, 2026
Save $1,423 USD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,832 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542390400. Listed at 13 retailers as of October 30, 2026, with prices from $409 to $1,832, a $1,423 spread on the same certified stone. NZ Jewellers lists it at $1,832. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
I
Color
VS2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542390400
Dimensions5.37 × 3.95 × 2.72 mm
L/W Ratio1.36
Top View
5.37 mm3.95 mm0.51 ctI / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542390400
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 68.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,832 USD|Low: $372 USD|High: $1,850 USD|Avg: $888 USD|-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
Retailer 13
November 2, 2026
Retailer 3$409 USD
Retailer 6$437 USD
Retailer 5$715 USD
Retailer 12$716 USD
Retailer 2$717 USD
Retailer 8$775 USD
Retailer 11$810 USD
Retailer 9$864 USD
Retailer 4$887 USD
Retailer 10$902 USD
Retailer 13$1,295 USD
Retailer 7$1,349 USD
NZ Jewellers$1,832 USD

33 data points across 13 retailers

13 retailers$409 USD to $1,832 USD

A
Cheapest Retailer
-
$409 USD
Final sale: no returns
A
Retailer 2
-
$437 USD
₹41,594 INR
View
B+
Retailer 3
-
$715 USD
View
B+
Retailer 4
-
$716 USD
View
B+
Retailer 5
-
$717 USD
£564 GBP
View
B+
Retailer 6
-
$775 USD
View
B+
Retailer 7
-
$810 USD
View
B+
Retailer 8
-
$864 USD
€823 EUR
View
Retailer 9
-
$887 USD
A$1,365 AUD
View
Price last confirmed 29 days ago
B+
Retailer 10
-
$902 USD
ZAR 14,565 ZAR
View
B
Retailer 11
-
$1,295 USD
£1,020 GBP
View
B
Retailer 12
-
$1,349 USD
£1,062 GBP
View
Most Expensive
B
NZ Jewellers
e6b6bcce-0713-4b75-9a37-7ce50a697d5a · Oct 30
$1,832 USD
View
12 more retailers have this diamond
Prices start from $409 USDSave up to $1,423 USD

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 Radiant
$409 USD