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Radiant|Natural|GIA

1.50ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 3475829564

Certificate GIA 3475829564

Diamond specifications and retailer prices

From $4,721 AUD
As of November 5, 2026
Save $5,441 AUD (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,162 AUD 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 $4,721 to $10,162, a $5,441 spread on the same certified stone. MOH London lists it at $10,162. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $10,162 AUD|Low: $4,721 AUD|High: $10,430 AUD|Avg: $6,489 AUD|+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$4,721 AUD
Retailer 10$4,909 AUD
Retailer 8$5,108 AUD
Retailer 6$5,322 AUD
Retailer 4$5,504 AUD
Retailer 2$5,947 AUD
Retailer 3$5,982 AUD
Retailer 11$5,982 AUD
Retailer 12$6,171 AUD
Retailer 13$6,284 AUD
Retailer 5$6,590 AUD
Retailer 7$7,166 AUD
MOH London$10,162 AUD

45 data points across 13 retailers

13 retailers$4,721 AUD to $10,162 AUD

A
Cheapest Retailer
-
$4,721 AUD
A
Retailer 2
-
$4,909 AUD
View
Final sale: no returns
A
Retailer 3
-
$5,108 AUD
View
A
Retailer 4
-
$5,322 AUD
View
Retailer 5
-
$5,504 AUD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$5,947 AUD
View
A
Retailer 7
-
$5,982 AUD
View
A
Retailer 8
-
$5,982 AUD
View
A
Retailer 9
-
$6,171 AUD
View
A
Retailer 10
-
$6,284 AUD
View
Retailer 11
-
$6,590 AUD
View
Price last confirmed 29 days ago
A
Retailer 12
-
$7,166 AUD
View
Most Expensive
B+
MOH London
2FDA6A337 · Nov 2
$10,162 AUD
£5,498 GBP
View
12 more retailers have this diamond
Prices start from $4,721 AUDSave up to $5,441 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.

A
1.50ct Radiant
$4,721 AUD