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Round|Lab Grown|IGI

1.27ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG754510464

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754510464

Diamond specifications and retailer prices

From £127 GBP
$170 USD
As of November 1, 2026
Save £616 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £743 GBP at MOH London · As of October 26, 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 LG754510464 or 754510464. Listed at 15 retailers as of October 26, 2026, with prices from £127 to £743, a £616 spread on the same certified stone. MOH London lists it at £743. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754510464
Dimensions6.96 × 6.94 × 4.24 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.96 mm6.94 mm1.27 ctG / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754510464
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.0%

Caratlytics Score

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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: £743 GBP|Low: £127 GBP|High: £743 GBP|Avg: £361 GBP|+1.2%
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
Retailer 14
Retailer 15
November 2, 2026
Retailer 11£127 GBP
Retailer 4£147 GBP
Retailer 12£157 GBP
Retailer 7£159 GBP
Retailer 10£271 GBP
Retailer 8£279 GBP
Retailer 5£281 GBP
Retailer 2£293 GBP
Retailer 15£314 GBP
Retailer 3£344 GBP
Retailer 13£504 GBP
Retailer 14£533 GBP
Retailer 6£545 GBP
Retailer 9£566 GBP
MOH London£743 GBP

43 data points across 15 retailers

15 retailers£127 GBP to £743 GBP

A
Cheapest Retailer
-
£127 GBP
$170 USD
A
Retailer 2
-
£147 GBP
$197 USD
View
A
Retailer 3
-
£157 GBP
$211 USD
View
Retailer 4
-
£159 GBP
$213 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£271 GBP
ZAR 5,875 ZAR
View
A
Retailer 6
-
£279 GBP
View
B+
Retailer 7
-
£281 GBP
$377 USD
View
A
Retailer 8
-
£293 GBP
€375 EUR
View
A
Retailer 9
-
£314 GBP
$421 USD
View
B+
Retailer 10
-
£344 GBP
$462 USD
View
B+
Retailer 11
-
£504 GBP
$677 USD
View
B+
Retailer 12
-
£533 GBP
$715 USD
View
B
Retailer 13
-
£545 GBP
$732 USD
View
B
Retailer 14
-
£566 GBP
$760 USD
View
Most Expensive
B
MOH London
LG754510464 · Oct 26
£743 GBP
View
14 more retailers have this diamond
Prices start from £127 GBPSave up to £616 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
£127 GBP