Heart|Lab Grown|IGI

1.31ct G VVS2 Heart Lab Grown Diamond

VG • G/VVS2 • IGI LG848665581

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG848665581

Diamond specifications and retailer prices

From £253 GBP
As of November 6, 2026
Save £620 GBP (71%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £873 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.31ct lab-grown heart diamond

This 1.31ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG848665581 or 848665581. Listed at 6 retailers as of November 5, 2026, with prices from £253 to £873, a £620 spread on the same certified stone. MOH London lists it at £873. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.31
Carat
G
Colour
VVS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848665581
Dimensions6.57 × 7.53 × 4.53 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.57 mm7.53 mm1.31 ctG / VVS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848665581
Side View
Table 61.0%Crown 35°Girdle: MED-THKPavilion 40°Culet: NoneDepth 60.2%

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 6
Current: £873 GBP|Low: £253 GBP|High: £880 GBP|Avg: £468 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6£253 GBP
Retailer 3£314 GBP
Retailer 2£340 GBP
Retailer 4£394 GBP
Retailer 5£641 GBP
MOH London£873 GBP

15 data points across 6 retailers

6 retailers£253 GBP to £873 GBP

B+
Cheapest Retailer
-
£253 GBP
A
Retailer 2
-
£314 GBP
View
B+
Retailer 3
-
£340 GBP
View
B+
Retailer 4
-
£394 GBP
View
B
Retailer 5
-
£641 GBP
View
Most Expensive
B
MOH London
LG848665581 · Nov 5
£873 GBP
View
5 more retailers have this diamond
Prices start from £253 GBPSave up to £620 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 Heart
£253 GBP