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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 £2,782 GBP
$3,728 USD
As of November 1, 2026
Save £2,777 GBP (50%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £5,559 GBP 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 £2,782 to £5,559, a £2,777 spread on the same certified stone. MOH London lists it at £5,559. 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: £5,559 GBP|Low: £2,762 GBP|High: £5,900 GBP|Avg: £3,696 GBP|-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£2,782 GBP
Retailer 13£2,918 GBP
Retailer 10£3,004 GBP
Retailer 9£3,148 GBP
Retailer 11£3,162 GBP
Retailer 2£3,471 GBP
Retailer 3£3,538 GBP
Retailer 4£3,538 GBP
Retailer 5£3,633 GBP
Retailer 8£3,657 GBP
Retailer 7£3,736 GBP
Retailer 6£4,290 GBP
MOH London£5,559 GBP

44 data points across 13 retailers

13 retailers£2,782 GBP to £5,559 GBP

A
Cheapest Retailer
-
£2,782 GBP
$3,728 USD
A
Retailer 2
-
£2,918 GBP
$3,910 USD
View
Final sale: no returns
A
Retailer 3
-
£3,004 GBP
$4,025 USD
View
A
Retailer 4
-
£3,148 GBP
$4,218 USD
View
Retailer 5
-
£3,162 GBP
$4,237 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£3,471 GBP
View
A
Retailer 7
-
£3,538 GBP
$4,740 USD
View
A
Retailer 8
-
£3,538 GBP
$4,740 USD
View
Retailer 9
-
£3,633 GBP
A$7,488 AUD
View
Price last confirmed 23 days ago
A
Retailer 10
-
£3,657 GBP
$4,900 USD
View
A
Retailer 11
-
£3,736 GBP
View
A
Retailer 12
-
£4,290 GBP
ZAR 92,865 ZAR
View
Most Expensive
B+
MOH London
ADB62BB56 · Nov 1
£5,559 GBP
View
12 more retailers have this diamond
Prices start from £2,782 GBPSave up to £2,777 GBP

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
£2,782 GBP