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Round|Lab Grown|IGI

1.27ct H VS2 Round Lab Grown Diamond

EX • H/VS2 • IGI LG770637340

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770637340

Diamond specifications and retailer prices

From £171 GBP
$229 USD
As of October 29, 2026
Save £684 GBP (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £855 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.27ct lab-grown round diamond

This 1.27ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770637340 or 770637340. Listed at 15 retailers as of October 29, 2026, with prices from £171 to £855, a £684 spread on the same certified stone. MOH London lists it at £855. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
H
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770637340
Dimensions7.01 × 6.95 × 4.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.01 mm6.95 mm1.27 ctH / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770637340
Side View
Table 61.0%Crown 33.9°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A
Excellent
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: Oct 29
Current: £855 GBP|Low: £114 GBP|High: £861 GBP|Avg: £459 GBP|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 3£114 GBP
Retailer 6£171 GBP
Retailer 8£212 GBP
Retailer 12£349 GBP
Retailer 9£360 GBP
Retailer 2£383 GBP
Retailer 10£393 GBP
Retailer 7£440 GBP
Retailer 5£559 GBP
Retailer 4£721 GBP
Retailer 11£780 GBP
MOH London£855 GBP

21 data points across 12 retailers

15 retailers£171 GBP to £855 GBP

A
Cheapest Retailer
-
£171 GBP
$229 USD
A
Retailer 2
-
£199 GBP
$266 USD
View
A
Retailer 3
-
£212 GBP
$284 USD
View
A
Retailer 4
-
£212 GBP
$284 USD
View
A
Retailer 5
-
£349 GBP
$467 USD
View
A
Retailer 6
-
£360 GBP
$482 USD
View
A
Retailer 7
-
£383 GBP
€489 EUR
View
A
Retailer 8
-
£393 GBP
$527 USD
View
B+
Retailer 9
-
£440 GBP
$590 USD
View
B+
Retailer 10
-
£559 GBP
$749 USD
View
Retailer 11
-
£622 GBP
$834 USD
View
Price last confirmed 45 days ago
B
Retailer 12
-
£682 GBP
$914 USD
View
B+
Retailer 13
-
£721 GBP
$967 USD
View
B
Retailer 14
-
£796 GBP
$1,066 USD
View
Most Expensive
B
MOH London
LG770637340 · Oct 29
£855 GBP
View
14 more retailers have this diamond
Prices start from £171 GBPSave up to £684 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 Round
£171 GBP