Radiant|Natural|GIA

1.50ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 3475829564

Certificate GIA 3475829564

Diamond specifications and retailer prices

From $3,244 USD
As of November 5, 2026
Save $3,738 USD (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,982 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded H 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 3475829564. Listed at 13 retailers as of November 2, 2026, with prices from $3,244 to $6,982, a $3,738 spread on the same certified stone. MOH London lists it at $6,982. 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

1.50
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.1°
Pavilion angle59.6°
OriginNatural
Grading LabGIA
CertificateGIA 3475829564
Dimensions6.19 × 6.12 × 4.16 mm
L/W Ratio1.01
Top View
6.19 mm6.12 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3475829564
Side View
Table 66.0%Crown 50.1°Girdle: STK-VTKPavilion 59.6°Culet: NoneDepth 68.0%

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: $6,982 USD|Low: $3,244 USD|High: $7,167 USD|Avg: $4,459 USD|+1.3%
MOH London
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 7, 2026
Retailer 9$3,244 USD
Retailer 10$3,373 USD
Retailer 8$3,510 USD
Retailer 6$3,657 USD
Retailer 4$3,782 USD
Retailer 2$4,086 USD
Retailer 3$4,110 USD
Retailer 11$4,110 USD
Retailer 12$4,240 USD
Retailer 13$4,318 USD
Retailer 5$4,528 USD
Retailer 7$4,924 USD
MOH London$6,982 USD

45 data points across 13 retailers

13 retailers$3,244 USD to $6,982 USD

A
Cheapest Retailer
-
$3,244 USD
A
Retailer 2
-
$3,373 USD
View
Final sale: no returns
A
Retailer 3
-
$3,510 USD
View
A
Retailer 4
-
$3,657 USD
View
Retailer 5
-
$3,782 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$4,086 USD
View
A
Retailer 7
-
$4,110 USD
View
A
Retailer 8
-
$4,110 USD
View
A
Retailer 9
-
$4,240 USD
View
A
Retailer 10
-
$4,318 USD
View
Retailer 11
-
$4,528 USD
View
Price last confirmed 29 days ago
A
Retailer 12
-
$4,924 USD
View
Most Expensive
B+
MOH London
2FDA6A337 · Nov 2
$6,982 USD
£5,498 GBP
View
12 more retailers have this diamond
Prices start from $3,244 USDSave up to $3,738 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
1.50ct Radiant
$3,244 USD