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Marquise|Lab Grown|IGI

1.26ct G VS2 Marquise Lab Grown Diamond

ID • G/VS2 • IGI LG508137737

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG508137737

Diamond specifications and retailer prices

From £589 GBP
$790 USD
As of October 31, 2026
Save £714 GBP (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,753 GBP at Friendly Diamonds · As of October 31, 2026
View at Friendly Diamonds

About this 1.26ct lab-grown marquise diamond

This 1.26ct lab-grown marquise 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 LG508137737 or 508137737. Listed at 14 retailers as of October 31, 2026, with a 121% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.26
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508137737
Dimensions11.48 × 5.70 × 3.36 mm
L/W Ratio2.01
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
11.48 mm5.70 mm1.26 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508137737
Side View
Table 61.5%Crown 34.3°Girdle: THN-STKPavilion 38°Culet: NoneDepth 58.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £1,753 GBP|Low: £589 GBP|High: £2,792 GBP|Avg: £1,356 GBP
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 5£589 GBP
Retailer 8£701 GBP
Retailer 12£763 GBP
Retailer 3£785 GBP
Retailer 9£813 GBP
Retailer 6£943 GBP
Retailer 2£1,253 GBP
Retailer 10£1,303 GBP
Friendly Diamonds£1,753 GBP
Retailer 4£2,249 GBP
Retailer 11£2,287 GBP
Retailer 7£2,762 GBP

43 data points across 12 retailers

14 retailers£589 GBP to £1,303 GBP

B+
Cheapest Retailer
-
£589 GBP
$790 USD
B
Retailer 2
-
£701 GBP
$941 USD
View
B
Retailer 3
-
£763 GBP
$1,024 USD
View
B
Retailer 4
-
£785 GBP
$1,053 USD
View
Final sale: no returns
Retailer 5
-
£813 GBP
$1,091 USD
View
Price last confirmed 16 days ago
B
Retailer 6
-
£813 GBP
$1,091 USD
View
B
Retailer 7
-
£943 GBP
$1,265 USD
View
B
Retailer 8
-
£1,253 GBP
View
B
Retailer 9
-
£1,303 GBP
$1,748 USD
View
Most Expensive
Friendly Diamonds
1594919 · Oct 31
£1,753 GBP
$2,352 USD
View
Price under review
9 more retailers have this diamond
Prices start from £589 GBPSave up to £714 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.

B+
1.26ct Marquise
£589 GBP