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Round|Lab Grown|IGI

1.27ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG836664412

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836664412

Diamond specifications and retailer prices

From £132 GBP
As of November 5, 2026
Save £751 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £884 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836664412 or 836664412. Listed at 20 retailers as of November 4, 2026, with prices from £132 to £884, a £751 spread on the same certified stone. Reve Diamonds lists it at £884. 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 angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836664412
Dimensions6.94 × 6.91 × 4.27 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.94 mm6.91 mm1.27 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836664412
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £528 GBP|Low: £132 GBP|High: £884 GBP|Avg: £402 GBP|-8.6%
Retailer 1
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Retailer 19
Reve Diamonds
November 5, 2026
Retailer 12£132 GBP
Retailer 14£154 GBP
Retailer 18£164 GBP
Retailer 19£164 GBP
Retailer 8£181 GBP
Retailer 17£310 GBP
Retailer 7£313 GBP
Retailer 5£316 GBP
Retailer 3£318 GBP
Retailer 13£319 GBP
Retailer 15£331 GBP
Retailer 11£397 GBP
Retailer 10£421 GBP
Retailer 6£441 GBP
Retailer 1£528 GBP
Retailer 4£591 GBP
Retailer 2£628 GBP
Retailer 9£646 GBP
Retailer 16£853 GBP
Reve Diamonds£884 GBP

29 data points across 20 retailers

20 retailers£132 GBP to £884 GBP

A
Cheapest Retailer
-
£132 GBP
A
Retailer 2
-
£154 GBP
View
A
Retailer 3
-
£164 GBP
View
A
Retailer 4
-
£164 GBP
View
Final sale: no returns
Retailer 5
-
£181 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£310 GBP
View
A
Retailer 7
-
£313 GBP
View
A
Retailer 8
-
£316 GBP
View
A
Retailer 9
-
£318 GBP
View
A
Retailer 10
-
£319 GBP
View
B+
Retailer 11
-
£331 GBP
View
Retailer 12
-
£397 GBP
View
Price last confirmed 17 days ago
B+
Retailer 13
-
£421 GBP
View
B+
Retailer 14
-
£441 GBP
View
B+
Retailer 15
-
£528 GBP
View
B
Retailer 16
-
£591 GBP
View
B
Retailer 17
-
£628 GBP
View
Retailer 18
-
£646 GBP
View
Price last confirmed 18 days ago
B
Retailer 19
-
£853 GBP
View
Most Expensive
B
Reve Diamonds
243211123 · Nov 4
£884 GBP
$1,189 USD
View
19 more retailers have this diamond
Prices start from £132 GBPSave up to £751 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
£132 GBP