Round|Natural|GIA

1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2245028187

Certificate GIA 2245028187

Diamond specifications and retailer prices

From £2,076 GBP
$2,781 USD
As of October 24, 2026
Save £1,143 GBP (36%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,454 GBP at Wholesale Diamonds Direct · As of October 23, 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 2245028187. Listed at 8 retailers as of October 24, 2026, with a 55% 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 2245028187
Dimensions6.75 × 4.24 × 4.24 mm
L/W Ratio1.59
Culet sizeNone
Top View
6.75 mm4.24 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245028187
Side View
Table 58.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.7%

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 24
Current: £2,541 GBP|Low: £1,613 GBP|High: £3,862 GBP|Avg: £2,613 GBP|-7.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Wholesale Diamonds Direct
October 26, 2026
Retailer 8£1,613 GBP
Retailer 4£1,681 GBP
Retailer 2£2,076 GBP
Retailer 6£2,298 GBP
Retailer 5£2,537 GBP
Retailer 1£2,541 GBP
Retailer 3£2,640 GBP
Retailer 7£3,218 GBP
Wholesale Diamonds Direct£3,454 GBP

27 data points across 9 retailers

8 retailers£2,076 GBP to £3,218 GBP

Retailer 1
-
£1,681 GBP
SGD 3,044 SGD
Price last confirmed 7 days ago
A
Retailer 2
-
£2,076 GBP
$2,781 USD
View
A
Retailer 3
-
£2,298 GBP
SGD 4,161 SGD
View
Retailer 4
-
£2,537 GBP
$3,400 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
£2,541 GBP
€3,243 EUR
View
B+
Retailer 6
-
£2,640 GBP
View
B+
Retailer 7
-
£3,218 GBP
$4,312 USD
View
Most Expensive
Wholesale Diamonds Direct
268864379 · Oct 23
£3,454 GBP
$4,628 USD
View
Price last confirmed 8 days ago
7 more retailers have this diamond
Prices start from £2,076 GBPSave up to £1,143 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
£2,076 GBP