CaratHunter
Plans
Round|Natural|GIA

1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2554202036

Certificate GIA 2554202036

Diamond specifications and retailer prices

From £1,877 GBP
As of November 5, 2026
Save £1,697 GBP (47%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,821 GBP at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2554202036. Listed at 16 retailers as of November 1, 2026, with a 90% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2554202036
Dimensions6.72 × 6.76 × 4.28 mm
L/W Ratio1.01
Top View
6.72 mm6.76 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554202036
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.5%

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: £3,250 GBP|Low: £1,866 GBP|High: £4,131 GBP|Avg: £2,759 GBP
Retailer 1
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
Wholesale Diamonds Direct
November 6, 2026
Retailer 9£1,877 GBP
Retailer 14£2,119 GBP
Retailer 13£2,257 GBP
Retailer 11£2,284 GBP
Retailer 5£2,551 GBP
Retailer 3£2,563 GBP
Retailer 2£2,721 GBP
Retailer 4£2,781 GBP
Retailer 10£2,821 GBP
Retailer 12£2,912 GBP
Retailer 8£3,040 GBP
Retailer 1£3,250 GBP
Retailer 7£3,362 GBP
Retailer 6£3,573 GBP
Wholesale Diamonds Direct£3,821 GBP

38 data points across 15 retailers

16 retailers£1,877 GBP to £3,573 GBP

A
Cheapest Retailer
-
£1,877 GBP
A
Retailer 2
-
£2,119 GBP
View
A
Retailer 3
-
£2,257 GBP
View
Retailer 4
-
£2,284 GBP
View
Price last confirmed 7 days ago
B+
Retailer 5
-
£2,551 GBP
View
B+
Retailer 6
-
£2,563 GBP
View
B+
Retailer 7
-
£2,721 GBP
View
B+
Retailer 8
-
£2,781 GBP
View
B+
Retailer 9
-
£2,821 GBP
View
B+
Retailer 10
-
£2,912 GBP
View
B
Retailer 11
-
£3,040 GBP
View
B+
Retailer 12
-
£3,082 GBP
View
B+
Retailer 13
-
£3,250 GBP
View
B+
Retailer 14
-
£3,362 GBP
View
B+
Retailer 15
-
£3,573 GBP
View
Most Expensive
Wholesale Diamonds Direct
262900586 · Oct 26
£3,821 GBP
$5,115 USD
View
Price last confirmed 10 days ago
15 more retailers have this diamond
Prices start from £1,877 GBPSave up to £1,697 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
1.20ct Round
£1,877 GBP