Radiant|Natural|GIA

1.51ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 6472510095

Certificate GIA 6472510095

Diamond specifications and retailer prices

From $2,556 USD
As of November 5, 2026
Save $2,699 USD (51%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,255 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded J 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 6472510095. Listed at 12 retailers as of November 4, 2026, with prices from $2,556 to $5,255, a $2,699 spread on the same certified stone. MOH London lists it at $5,255. 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

1.51
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.6°
Pavilion angle60.4°
OriginNatural
Grading LabGIA
CertificateGIA 6472510095
Dimensions6.24 × 6.20 × 4.17 mm
L/W Ratio1.01
Top View
6.24 mm6.20 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6472510095
Side View
Table 65.0%Crown 48.6°Girdle: ThickPavilion 60.4°Culet: NoneDepth 67.3%

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 5
Current: $5,255 USD|Low: $2,532 USD|High: $5,611 USD|Avg: $3,484 USD|-5.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 8$2,556 USD
Retailer 9$2,634 USD
Retailer 7$2,795 USD
Retailer 5$2,885 USD
Retailer 3$2,954 USD
Retailer 10$3,230 USD
Retailer 12$3,230 USD
Retailer 2$3,260 USD
Retailer 11$3,340 USD
Retailer 4$3,529 USD
Retailer 6$3,845 USD
MOH London$5,255 USD

46 data points across 12 retailers

12 retailers$2,556 USD to $5,255 USD

A
Cheapest Retailer
-
$2,556 USD
A
Retailer 2
-
$2,634 USD
View
Final sale: no returns
A
Retailer 3
-
$2,795 USD
View
A
Retailer 4
-
$2,885 USD
View
Retailer 5
-
$2,954 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$3,230 USD
View
A
Retailer 7
-
$3,230 USD
View
A
Retailer 8
-
$3,260 USD
View
A
Retailer 9
-
$3,340 USD
View
Retailer 10
-
$3,529 USD
View
Price last confirmed 31 days ago
B+
Retailer 11
-
$3,845 USD
View
Most Expensive
B
MOH London
E61DA6E62 · Nov 4
$5,255 USD
£4,138 GBP
View
11 more retailers have this diamond
Prices start from $2,556 USDSave up to $2,699 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
1.51ct Radiant
$2,556 USD