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Radiant|Lab Grown|IGI

1.27ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG815690371

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG815690371

Diamond specifications and retailer prices

From £154 GBP
As of November 5, 2026
Save £650 GBP (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £804 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.27ct lab-grown radiant diamond

This 1.27ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG815690371 or 815690371. Listed at 13 retailers as of November 5, 2026, with prices from £154 to £804, a £650 spread on the same certified stone. MOH London lists it at £804. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.1°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815690371
Dimensions8.37 × 5.23 × 3.42 mm
L/W Ratio1.60
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.37 mm5.23 mm1.27 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815690371
Side View
Table 67.0%Crown 43.1°Girdle: MediumPavilion 33.2°Culet: NoneDepth 65.4%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £804 GBP|Low: £154 GBP|High: £854 GBP|Avg: £460 GBP|-5.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 2£154 GBP
Retailer 7£232 GBP
Retailer 12£285 GBP
Retailer 11£299 GBP
Retailer 6£309 GBP
Retailer 3£414 GBP
Retailer 10£422 GBP
Retailer 13£464 GBP
Retailer 8£556 GBP
Retailer 9£594 GBP
Retailer 4£712 GBP
Retailer 5£795 GBP
MOH London£804 GBP

29 data points across 13 retailers

13 retailers£154 GBP to £804 GBP

A+
Cheapest Retailer
-
£154 GBP
Final sale: no returns
B+
Retailer 2
-
£232 GBP
View
A
Retailer 3
-
£285 GBP
View
A
Retailer 4
-
£299 GBP
View
A
Retailer 5
-
£309 GBP
View
A
Retailer 6
-
£414 GBP
View
A
Retailer 7
-
£422 GBP
View
B+
Retailer 8
-
£464 GBP
View
B+
Retailer 9
-
£556 GBP
View
B+
Retailer 10
-
£594 GBP
View
Retailer 11
-
£712 GBP
View
Price last confirmed 12 days ago
Retailer 12
-
£795 GBP
View
Price last confirmed 19 days ago
Most Expensive
B+
MOH London
LG815690371 · Nov 5
£804 GBP
View
12 more retailers have this diamond
Prices start from £154 GBPSave up to £650 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+
1.27ct Radiant
£154 GBP