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Radiant|Natural|GIA

1.50ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 2225427360

Certificate GIA 2225427360

Diamond specifications and retailer prices

From $5,307 AUD
$3,728 USD
As of November 1, 2026
Save $5,297 AUD (50%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,604 AUD at MOH London · As of November 1, 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 G 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 2225427360. Listed at 13 retailers as of November 1, 2026, with prices from $5,307 to $10,604, a $5,297 spread on the same certified stone. MOH London lists it at $10,604. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle48.2°
Pavilion angle59.5°
OriginNatural
Grading LabGIA
CertificateGIA 2225427360
Dimensions6.29 × 6.16 × 4.18 mm
L/W Ratio1.02
Key to symbols
Crystal, Cloud, Needle
Top View
6.29 mm6.16 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2225427360
Side View
Table 63.0%Crown 48.2°Girdle: Very ThickPavilion 59.5°Culet: NoneDepth 67.9%

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 1
Current: $10,604 AUD|Low: $5,269 AUD|High: $11,255 AUD|Avg: $7,050 AUD|-4.8%
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 2, 2026
Retailer 12$5,307 AUD
Retailer 13$5,566 AUD
Retailer 10$5,730 AUD
Retailer 9$6,004 AUD
Retailer 11$6,032 AUD
Retailer 2$6,620 AUD
Retailer 3$6,748 AUD
Retailer 4$6,748 AUD
Retailer 5$6,929 AUD
Retailer 8$6,976 AUD
Retailer 7$7,126 AUD
Retailer 6$8,183 AUD
MOH London$10,604 AUD

44 data points across 13 retailers

13 retailers$5,307 AUD to $10,604 AUD

A
Cheapest Retailer
-
$5,307 AUD
$3,728 USD
A
Retailer 2
-
$5,566 AUD
$3,910 USD
View
Final sale: no returns
A
Retailer 3
-
$5,730 AUD
$4,025 USD
View
A
Retailer 4
-
$6,004 AUD
$4,218 USD
View
Retailer 5
-
$6,032 AUD
$4,237 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$6,620 AUD
£3,662 GBP
View
A
Retailer 7
-
$6,748 AUD
$4,740 USD
View
A
Retailer 8
-
$6,748 AUD
$4,740 USD
View
Retailer 9
-
$6,929 AUD
View
Price last confirmed 23 days ago
A
Retailer 10
-
$6,976 AUD
$4,900 USD
View
A
Retailer 11
-
$7,126 AUD
£3,941 GBP
View
A
Retailer 12
-
$8,183 AUD
ZAR 92,865 ZAR
View
Most Expensive
B+
MOH London
ADB62BB56 · Nov 1
$10,604 AUD
£5,865 GBP
View
12 more retailers have this diamond
Prices start from $5,307 AUDSave up to $5,297 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
$5,307 AUD