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Round|Lab Grown|IGI

1.27ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG602370843

Shape and cutting style on the report: Round brilliant

Certificate IGI LG602370843

Diamond specifications and retailer prices

From £141 GBP
As of November 3, 2026
Save £722 GBP (84%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £863 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG602370843 or 602370843. Listed at 16 retailers as of November 3, 2026, with prices from £141 to £863, a £722 spread on the same certified stone. Reve Diamonds lists it at £863. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602370843
Dimensions6.97 × 6.94 × 4.26 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.97 mm6.94 mm1.27 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602370843
Side View
Table 60.0%Crown 35°Girdle: MediumPavilion 41°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: £315 GBP|Low: £140 GBP|High: £863 GBP|Avg: £392 GBP|-6.4%
Retailer 1
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
Reve Diamonds
November 5, 2026
Retailer 2£141 GBP
Retailer 13£158 GBP
Retailer 9£164 GBP
Retailer 5£176 GBP
Retailer 14£303 GBP
Retailer 4£307 GBP
Retailer 1£315 GBP
Retailer 12£318 GBP
Retailer 6£413 GBP
Retailer 11£427 GBP
Retailer 8£564 GBP
Retailer 10£566 GBP
Retailer 3£604 GBP
Retailer 7£818 GBP
Reve Diamonds£863 GBP

44 data points across 15 retailers

16 retailers£141 GBP to £863 GBP

A
Cheapest Retailer
-
£141 GBP
A
Retailer 2
-
£158 GBP
View
Final sale: no returns
A
Retailer 3
-
£164 GBP
View
A
Retailer 4
-
£176 GBP
View
Retailer 5
-
£194 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£303 GBP
View
A
Retailer 7
-
£307 GBP
View
A
Retailer 8
-
£315 GBP
View
A
Retailer 9
-
£318 GBP
View
B+
Retailer 10
-
£413 GBP
View
B+
Retailer 11
-
£427 GBP
View
B
Retailer 12
-
£564 GBP
View
B
Retailer 13
-
£566 GBP
View
B
Retailer 14
-
£604 GBP
View
B
Retailer 15
-
£818 GBP
View
Most Expensive
B
Reve Diamonds
EB2CCB18B · Nov 4
£863 GBP
$1,165 USD
View
15 more retailers have this diamond
Prices start from £141 GBPSave up to £722 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
£141 GBP