Radiant|Natural|GIA

0.51ct H IF Radiant Natural Diamond

EX • H/IF • GIA 2508776882

Certificate GIA 2508776882

Diamond specifications and retailer prices

From $796 USD
As of November 4, 2026
Save $1,109 USD (58%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,115 USD at Queensmith · As of October 28, 2026
View at Queensmith

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2508776882. Listed at 18 retailers as of November 4, 2026, with a 139% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
H
Color
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2508776882
Dimensions4.29 × 4.28 × 2.93 mm
L/W Ratio1.00
Top View
4.29 mm4.28 mm0.51 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2508776882
Side View
Table 67.0%CrownGirdle: ThickPavilionCulet: NoneDepth 68.5%

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 4
Current: $2,115 USD|Low: $796 USD|High: $2,121 USD|Avg: $1,372 USD|+3.1%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 11$796 USD
Retailer 7$850 USD
Retailer 9$862 USD
Retailer 10$989 USD
Retailer 4$1,103 USD
Retailer 8$1,192 USD
Retailer 6$1,334 USD
Retailer 3$1,431 USD
Retailer 2$1,469 USD
Retailer 5$1,741 USD
Queensmith$2,115 USD

42 data points across 11 retailers

18 retailers$796 USD to $1,905 USD

A
Cheapest Retailer
-
$796 USD
Final sale: no returns
B+
Retailer 2
-
$850 USD
View
Retailer 3
-
$862 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$873 USD
View
B+
Retailer 5
-
$964 USD
View
B+
Retailer 6
-
$989 USD
View
B+
Retailer 7
-
$1,020 USD
View
B+
Retailer 8
-
$1,020 USD
View
B+
Retailer 9
-
$1,025 USD
View
B+
Retailer 10
-
$1,050 USD
View
B+
Retailer 11
-
$1,103 USD
View
B+
Retailer 12
-
$1,192 USD
View
B
Retailer 13
-
$1,334 USD
View
Retailer 14
-
$1,431 USD
View
Price last confirmed 32 days ago
B
Retailer 15
-
$1,469 USD
View
B
Retailer 16
-
$1,741 USD
View
B
Retailer 17
-
$1,905 USD
View
Most Expensive
Queensmith
2508776882 · Oct 28
$2,115 USD
£1,665 GBP
View
Price last confirmed 8 days ago
17 more retailers have this diamond
Prices start from $796 USDSave up to $1,109 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
$796 USD