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Round|Lab Grown|IGI

1.27ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG786691972

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786691972

Diamond specifications and retailer prices

From £152 GBP
As of November 5, 2026
Save £727 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £878 GBP at MOH London · As of November 5, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786691972 or 786691972. Listed at 20 retailers as of November 5, 2026, with prices from £152 to £878, a £727 spread on the same certified stone. MOH London lists it at £878. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786691972
Dimensions6.94 × 6.99 × 4.32 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.94 mm6.99 mm1.27 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786691972
Side View
Table 55.0%Crown 33.8°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £878 GBP|Low: £146 GBP|High: £891 GBP|Avg: £389 GBP|-0.2%
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 5, 2026
Retailer 13£152 GBP
Retailer 6£169 GBP
Retailer 3£188 GBP
Retailer 7£188 GBP
Retailer 8£318 GBP
Retailer 9£325 GBP
Retailer 4£326 GBP
Retailer 2£342 GBP
Retailer 14£405 GBP
Retailer 5£427 GBP
Retailer 11£460 GBP
Retailer 15£565 GBP
Retailer 10£579 GBP
Retailer 12£608 GBP
MOH London£878 GBP

43 data points across 15 retailers

20 retailers£152 GBP to £878 GBP

A
Cheapest Retailer
-
£152 GBP
A
Retailer 2
-
£169 GBP
View
Final sale: no returns
A
Retailer 3
-
£176 GBP
View
A
Retailer 4
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£188 GBP
View
Retailer 5
-
£188 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£318 GBP
View
A
Retailer 7
-
£320 GBP
View
A
Retailer 8
-
£325 GBP
View
B+
Retailer 9
-
£326 GBP
View
B+
Retailer 10
-
£342 GBP
View
Retailer 11
-
£405 GBP
View
Price last confirmed 29 days ago
B+
Retailer 12
-
£427 GBP
View
Retailer 13
-
£460 GBP
View
Price last confirmed 9 days ago
Retailer 14
-
£565 GBP
View
Price last confirmed 13 days ago
Retailer 15
-
£579 GBP
View
Price last confirmed 7 days ago
B
Retailer 16
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£606 GBP
View
B
Retailer 17
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£608 GBP
View
B
Retailer 18
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£645 GBP
View
B
Retailer 19
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£669 GBP
View
Most Expensive
B
MOH London
LG786691972 · Nov 5
£878 GBP
View
19 more retailers have this diamond
Prices start from £152 GBPSave up to £727 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
£152 GBP