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1.31ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 7492796331

Certificate GIA 7492796331

Diamond specifications and retailer prices

From £3,081 GBP
$4,128 USD
As of October 30, 2026
Save £4,245 GBP (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £7,326 GBP at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.31ct natural round diamond

This 1.31ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7492796331. Listed at 9 retailers as of October 30, 2026, with prices from £3,081 to £7,326, a £4,245 spread on the same certified stone. Diamond Quarter lists it at £7,326. 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

1.31
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7492796331
Dimensions7.07 × 7.02 × 4.28 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Top View
7.07 mm7.02 mm1.31 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7492796331
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.7%

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 30
Current: £4,298 GBP|Low: £3,081 GBP|High: £4,298 GBP|Avg: £3,806 GBP|+4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 6£3,081 GBP
Retailer 2£3,105 GBP
Retailer 3£3,406 GBP
Retailer 4£3,960 GBP
Retailer 7£4,075 GBP
Retailer 8£4,075 GBP
Retailer 9£4,096 GBP
Retailer 5£4,209 GBP
Retailer 1£4,298 GBP

24 data points across 9 retailers

9 retailers£3,081 GBP to £7,326 GBP

A
Cheapest Retailer
-
£3,081 GBP
$4,128 USD
Retailer 2
-
£3,105 GBP
$4,160 USD
View
Price last confirmed 11 days ago
B+
Retailer 3
-
£3,406 GBP
CA$6,338 CAD
View
B+
Retailer 4
-
£3,960 GBP
$5,306 USD
View
B+
Retailer 5
-
£4,075 GBP
$5,460 USD
View
B+
Retailer 6
-
£4,075 GBP
$5,460 USD
View
B
Retailer 7
-
£4,209 GBP
$5,640 USD
View
B
Retailer 8
-
£4,298 GBP
€5,485 EUR
View
Most Expensive
B
Diamond Quarter
1.31SI2G7431BDACN · Oct 31
£7,326 GBP
View
8 more retailers have this diamond
Prices start from £3,081 GBPSave up to £4,245 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
1.31ct Round
£3,081 GBP