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Round|Lab Grown|IGI

1.31ct I VVS2 Round Lab Grown Diamond

ID • I/VVS2 • IGI LG494163801

Shape and cutting style on the report: Round brilliant

Certificate IGI LG494163801

Diamond specifications and retailer prices

From £551 GBP
$740 USD
As of November 2, 2026
Save £1,195 GBP (68%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,279 GBP at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.31ct lab-grown round diamond

This 1.31ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG494163801 or 494163801. Listed at 12 retailers as of November 2, 2026, with a 217% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
I
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494163801
Dimensions7.09 × 7.04 × 4.29 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.09 mm7.04 mm1.31 ctI / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494163801
Side View
Table 57.0%Crown 35.9°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 60.7%

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: £2,279 GBP|Low: £551 GBP|High: £2,781 GBP|Avg: £1,279 GBP
NZ Jewellers
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 7£551 GBP
Retailer 10£699 GBP
Retailer 5£752 GBP
Retailer 13£760 GBP
Retailer 14£782 GBP
Retailer 11£811 GBP
Retailer 3£943 GBP
Retailer 4£1,187 GBP
Retailer 12£1,298 GBP
Retailer 2£1,491 GBP
Retailer 9£1,747 GBP
Retailer 6£1,813 GBP
NZ Jewellers£2,279 GBP
Retailer 8£2,763 GBP

21 data points across 14 retailers

12 retailers£551 GBP to £1,747 GBP

B+
Cheapest Retailer
-
£551 GBP
$740 USD
B
Retailer 2
-
£699 GBP
$938 USD
View
B
Retailer 3
-
£760 GBP
$1,020 USD
View
B
Retailer 4
-
£782 GBP
$1,050 USD
View
Final sale: no returns
Retailer 5
-
£811 GBP
$1,088 USD
View
Price last confirmed 17 days ago
B
Retailer 6
-
£811 GBP
$1,088 USD
View
B
Retailer 7
-
£943 GBP
$1,265 USD
View
B
Retailer 8
-
£1,298 GBP
$1,742 USD
View
B
Retailer 9
-
£1,491 GBP
ZAR 32,327 ZAR
View
B
Retailer 10
-
£1,747 GBP
$2,344 USD
View
Most Expensive
NZ Jewellers
6a821682-b321-460b-a72b-fbc653677010 · Nov 3
£2,279 GBP
$3,058 USD
View
Price under review
10 more retailers have this diamond
Prices start from £551 GBPSave up to £1,195 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+
1.31ct Round
£551 GBP