Round|Lab Grown|IGI

1.27ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG841605525

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841605525

Diamond specifications and retailer prices

From £159 GBP
$213 USD
As of October 25, 2026
Save £587 GBP (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £746 GBP at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841605525 or 841605525. Listed at 17 retailers as of October 25, 2026, with prices from £159 to £746, a £587 spread on the same certified stone. Brilliant Earth lists it at £746. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841605525
Dimensions6.90 × 6.92 × 4.29 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
6.90 mm6.92 mm1.27 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841605525
Side View
Table 58.0%Crown 35.1°Girdle: MediumPavilion 41°Culet: NoneDepth 62.0%

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: Oct 25
Current: £746 GBP|Low: £128 GBP|High: £748 GBP|Avg: £371 GBP|+44.9%
Brilliant Earth
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
October 27, 2026
Retailer 15£128 GBP
Retailer 12£149 GBP
Retailer 4£159 GBP
Retailer 6£159 GBP
Retailer 10£269 GBP
Retailer 7£283 GBP
Retailer 2£283 GBP
Retailer 14£322 GBP
Retailer 3£329 GBP
Retailer 5£346 GBP
Retailer 16£358 GBP
Retailer 17£511 GBP
Retailer 13£540 GBP
Retailer 8£552 GBP
Retailer 9£569 GBP
Retailer 11£744 GBP
Brilliant Earth£746 GBP

16 data points across 17 retailers

17 retailers£159 GBP to £746 GBP

Retailer 1
-
£128 GBP
$172 USD
Price last confirmed 9 days ago
Retailer 2
-
£149 GBP
$199 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
£159 GBP
$213 USD
View
Retailer 4
-
£159 GBP
$213 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£269 GBP
View
B+
Retailer 6
-
£283 GBP
$379 USD
View
A
Retailer 7
-
£283 GBP
€361 EUR
View
A
Retailer 8
-
£322 GBP
$431 USD
View
Retailer 9
-
£329 GBP
View
Price last confirmed 14 days ago
Retailer 10
-
£346 GBP
$464 USD
View
Price last confirmed 7 days ago
Retailer 11
-
£358 GBP
$480 USD
View
Price last confirmed 10 days ago
Retailer 12
-
£511 GBP
$685 USD
View
Price last confirmed 7 days ago
B
Retailer 13
-
£540 GBP
$723 USD
View
B
Retailer 14
-
£552 GBP
$739 USD
View
Retailer 15
-
£569 GBP
$762 USD
View
Price last confirmed 7 days ago
B
Retailer 16
-
£744 GBP
View
Most Expensive
B
Brilliant Earth
22182114A · Oct 27
£746 GBP
$1,000 USD
View
16 more retailers have this diamond
Prices start from £159 GBPSave up to £587 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
£159 GBP