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Round|Lab Grown|IGI

1.27ct F VS1 Round Lab Grown Diamond

EX • F/VS1 • IGI LG794630991

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794630991

Diamond specifications and retailer prices

From £133 GBP
As of November 3, 2026
Save £702 GBP (84%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £835 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 LG794630991 or 794630991. Listed at 25 retailers as of November 3, 2026, with prices from £133 to £835, a £702 spread on the same certified stone. Reve Diamonds lists it at £835. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794630991
Dimensions6.90 × 6.85 × 4.31 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
6.90 mm6.85 mm1.27 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794630991
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.7%

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 3
Current: £292 GBP|Low: £132 GBP|High: £835 GBP|Avg: £366 GBP|+6.5%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Reve Diamonds
November 5, 2026
Retailer 7£133 GBP
Retailer 5£148 GBP
Retailer 17£154 GBP
Retailer 2£164 GBP
Retailer 4£164 GBP
Retailer 16£284 GBP
Retailer 3£291 GBP
Retailer 1£292 GBP
Retailer 14£316 GBP
Retailer 18£350 GBP
Retailer 12£359 GBP
Retailer 10£374 GBP
Retailer 15£401 GBP
Retailer 9£496 GBP
Retailer 8£529 GBP
Retailer 13£559 GBP
Retailer 6£569 GBP
Retailer 11£767 GBP
Reve Diamonds£835 GBP

46 data points across 19 retailers

25 retailers£133 GBP to £835 GBP

Retailer 1
-
£132 GBP
Price last confirmed 44 days ago
A
Retailer 2
-
£133 GBP
View
A
Retailer 3
-
£148 GBP
View
Final sale: no returns
A
Retailer 4
-
£154 GBP
View
Retailer 5
-
£161 GBP
View
Price last confirmed 44 days ago
A
Retailer 6
-
£164 GBP
View
Retailer 7
-
£164 GBP
View
Price last confirmed 11 days ago
A
Retailer 8
-
£284 GBP
View
A
Retailer 9
-
£291 GBP
View
A
Retailer 10
-
£292 GBP
View
A
Retailer 11
-
£314 GBP
View
A
Retailer 12
-
£316 GBP
View
B+
Retailer 13
-
£350 GBP
View
B+
Retailer 14
-
£359 GBP
View
B+
Retailer 15
-
£374 GBP
View
B+
Retailer 16
-
£401 GBP
View
B+
Retailer 17
-
£441 GBP
View
B+
Retailer 18
-
£496 GBP
View
Retailer 19
-
£524 GBP
View
Price last confirmed 45 days ago
B
Retailer 20
-
£529 GBP
View
B
Retailer 21
-
£559 GBP
View
B
Retailer 22
-
£569 GBP
View
B
Retailer 23
-
£574 GBP
View
B
Retailer 24
-
£767 GBP
View
Most Expensive
B
Reve Diamonds
82074EF36 · Nov 4
£835 GBP
$1,127 USD
View
24 more retailers have this diamond
Prices start from £133 GBPSave up to £702 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
£133 GBP