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Radiant|Natural|GIA

1.50ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 1568555069

Certificate GIA 1568555069

Diamond specifications and retailer prices

From £3,623 GBP
As of October 31, 2026
Save £11,341 GBP (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £14,964 GBP 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 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 1568555069. Listed at 15 retailers as of October 31, 2026, with prices from £3,623 to £14,964, a £11,341 spread on the same certified stone. MOH London lists it at £14,964. 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
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1568555069
Dimensions7.60 × 5.57 × 3.90 mm
L/W Ratio1.36
Culet sizeNone
Top View
7.60 mm5.57 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1568555069
Side View
Table 61.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 70.0%

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: Oct 31
Current: £14,964 GBP|Low: £3,623 GBP|High: £14,964 GBP|Avg: £8,266 GBP
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
Retailer 14
November 6, 2026
Retailer 5£3,623 GBP
Retailer 9£3,997 GBP
Retailer 2£4,926 GBP
Retailer 8£4,941 GBP
Retailer 12£9,694 GBP
Retailer 4£9,772 GBP
Retailer 10£10,135 GBP
Retailer 3£10,381 GBP
Retailer 11£10,795 GBP
Retailer 13£11,245 GBP
Retailer 14£11,458 GBP
Retailer 6£11,898 GBP
Retailer 7£13,979 GBP
MOH London£14,964 GBP

14 data points across 14 retailers

15 retailers£3,623 GBP to £14,964 GBP

A
Cheapest Retailer
-
£3,623 GBP
A
Retailer 2
-
£3,937 GBP
View
A
Retailer 3
-
£3,997 GBP
View
A
Retailer 4
-
£4,926 GBP
View
B+
Retailer 5
-
£4,941 GBP
View
B
Retailer 6
-
£9,694 GBP
View
B
Retailer 7
-
£9,772 GBP
View
B
Retailer 8
-
£10,135 GBP
View
Final sale: no returns
B
Retailer 9
-
£10,381 GBP
View
B
Retailer 10
-
£10,795 GBP
View
B
Retailer 11
-
£11,245 GBP
View
B
Retailer 12
-
£11,458 GBP
View
B
Retailer 13
-
£11,898 GBP
View
C
Retailer 14
-
£13,979 GBP
View
Most Expensive
B
MOH London
516D4325E · Nov 2
£14,964 GBP
View
14 more retailers have this diamond
Prices start from £3,623 GBPSave up to £11,341 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
£3,623 GBP