Round|Natural|IGI

1.31ct L VS1 Round Natural Diamond

EX • L/VS1 • IGI GT12963102

Shape and cutting style on the report: Round brilliant

Certificate IGI GT12963102

Diamond specifications and retailer prices

From £1,738 GBP
As of November 4, 2026
Save £1,069 GBP (38%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,807 GBP at Wholesale Diamonds Direct · As of November 4, 2026
View at Wholesale Diamonds Direct

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 L colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI GT12963102. Listed at 5 retailers as of November 4, 2026, with prices from £1,738 to £2,807, a £1,069 spread on the same certified stone. Wholesale Diamonds Direct lists it at £2,807. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
L
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35.5°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI GT12963102
Dimensions6.94 × 7.01 × 4.38 mm
L/W Ratio1.01
Culet sizeNone
Cert comments
Additional pinpoints not shown.
Top View
6.94 mm7.01 mm1.31 ctL / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateIGI GT12963102
Side View
Table 56.0%Crown 35.5°Girdle: MED-UNDPavilion 41.1°Culet: NoneDepth 62.9%

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 4
Current: £2,409 GBP|Low: £1,615 GBP|High: £2,807 GBP|Avg: £2,091 GBP|+2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 5, 2026
Retailer 5£1,615 GBP
Retailer 4£1,738 GBP
Retailer 3£1,788 GBP
Retailer 6£1,917 GBP
Retailer 2£2,271 GBP
Retailer 1£2,409 GBP
Wholesale Diamonds Direct£2,807 GBP

24 data points across 7 retailers

5 retailers£1,738 GBP to £2,807 GBP

A
Cheapest Retailer
-
£1,738 GBP
Retailer 2
-
£1,788 GBP
View
Price last confirmed 8 days ago
B
Retailer 3
-
£2,271 GBP
View
B
Retailer 4
-
£2,409 GBP
View
Most Expensive
B
Wholesale Diamonds Direct
65926915 · Nov 4
£2,807 GBP
$3,778 USD
View
4 more retailers have this diamond
Prices start from £1,738 GBPSave up to £1,069 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
£1,738 GBP