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Round|Lab Grown|IGI

1.27ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG825635601

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825635601

Diamond specifications and retailer prices

From £128 GBP
$172 USD
As of November 1, 2026
Save £614 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £742 GBP at MOH London · As of November 1, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825635601 or 825635601. Listed at 18 retailers as of November 1, 2026, with prices from £128 to £742, a £614 spread on the same certified stone. MOH London lists it at £742. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825635601
Dimensions7.05 × 7.00 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.05 mm7.00 mm1.27 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825635601
Side View
Table 59.0%Crown 33.6°Girdle: MediumPavilion 40.6°Culet: NoneDepth 59.8%

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: Nov 1
Current: £742 GBP|Low: £128 GBP|High: £751 GBP|Avg: £355 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 12£128 GBP
Retailer 3£159 GBP
Retailer 5£274 GBP
Retailer 9£274 GBP
Retailer 4£282 GBP
Retailer 6£283 GBP
Retailer 2£296 GBP
Retailer 7£387 GBP
Retailer 11£391 GBP
Retailer 8£499 GBP
Retailer 10£539 GBP
MOH London£742 GBP

39 data points across 12 retailers

18 retailers£128 GBP to £742 GBP

A
Cheapest Retailer
-
£128 GBP
$172 USD
A
Retailer 2
-
£148 GBP
$199 USD
View
Retailer 3
-
£159 GBP
$213 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
£159 GBP
$213 USD
View
A
Retailer 5
-
£274 GBP
View
A
Retailer 6
-
£274 GBP
ZAR 5,942 ZAR
View
B+
Retailer 7
-
£282 GBP
$379 USD
View
A
Retailer 8
-
£283 GBP
View
A
Retailer 9
-
£296 GBP
€378 EUR
View
A
Retailer 10
-
£314 GBP
$422 USD
View
B+
Retailer 11
-
£387 GBP
A$799 AUD
View
B+
Retailer 12
-
£391 GBP
$525 USD
View
B+
Retailer 13
-
£499 GBP
$670 USD
View
B+
Retailer 14
-
£510 GBP
$685 USD
View
B
Retailer 15
-
£539 GBP
$723 USD
View
B
Retailer 16
-
£551 GBP
$739 USD
View
B
Retailer 17
-
£568 GBP
$762 USD
View
Most Expensive
B
MOH London
LG825635601 · Nov 1
£742 GBP
View
17 more retailers have this diamond
Prices start from £128 GBPSave up to £614 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
£128 GBP