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Radiant|Natural|GIA

1.20ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 6552310579

Certificate GIA 6552310579

Diamond specifications and retailer prices

From £2,556 GBP
$3,430 USD
As of November 2, 2026
Save £2,876 GBP (53%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £5,432 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-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 6552310579. Listed at 15 retailers as of November 2, 2026, with prices from £2,556 to £5,432, a £2,876 spread on the same certified stone. MOH London lists it at £5,432. 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

1.20
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552310579
Dimensions7.14 × 5.28 × 3.54 mm
L/W Ratio1.35
Culet sizeNone
Top View
7.14 mm5.28 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552310579
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NoneDepth 67.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £5,432 GBP|Low: £2,556 GBP|High: £5,686 GBP|Avg: £3,573 GBP|-4.5%
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 3, 2026
Retailer 4£2,556 GBP
Retailer 13£2,725 GBP
Retailer 12£3,139 GBP
Retailer 3£3,280 GBP
Retailer 2£3,392 GBP
Retailer 9£3,439 GBP
Retailer 11£3,480 GBP
Retailer 14£3,480 GBP
Retailer 6£3,567 GBP
Retailer 10£3,599 GBP
Retailer 5£3,857 GBP
Retailer 7£3,858 GBP
Retailer 8£4,934 GBP
MOH London£5,432 GBP

43 data points across 14 retailers

15 retailers£2,556 GBP to £5,432 GBP

B+
Cheapest Retailer
-
£2,556 GBP
$3,430 USD
B+
Retailer 2
-
£2,725 GBP
$3,657 USD
View
B+
Retailer 3
-
£2,826 GBP
A$5,834 AUD
View
B+
Retailer 4
-
£3,139 GBP
$4,213 USD
View
B
Retailer 5
-
£3,280 GBP
$4,402 USD
View
B
Retailer 6
-
£3,392 GBP
View
Retailer 7
-
£3,439 GBP
A$7,099 AUD
View
Price last confirmed 24 days ago
B
Retailer 8
-
£3,480 GBP
$4,670 USD
View
B
Retailer 9
-
£3,480 GBP
$4,670 USD
View
B
Retailer 10
-
£3,567 GBP
$4,787 USD
View
B
Retailer 11
-
£3,599 GBP
$4,830 USD
View
Retailer 12
-
£3,857 GBP
$5,176 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
£3,858 GBP
€4,931 EUR
View
Retailer 14
-
£4,934 GBP
$6,621 USD
View
Most Expensive
B
MOH London
FC9CB680E · Nov 2
£5,432 GBP
View
14 more retailers have this diamond
Prices start from £2,556 GBPSave up to £2,876 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.

B+
1.20ct Radiant
£2,556 GBP