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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 $790 USD
As of October 31, 2026
Save $958 USD (55%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,352 USD 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
Color
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: $2,352 USD|Low: $790 USD|High: $3,747 USD|Avg: $1,820 USD
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$790 USD
Retailer 8$941 USD
Retailer 12$1,024 USD
Retailer 3$1,053 USD
Retailer 9$1,091 USD
Retailer 6$1,265 USD
Retailer 2$1,682 USD
Retailer 10$1,748 USD
Friendly Diamonds$2,352 USD
Retailer 4$3,018 USD
Retailer 11$3,069 USD
Retailer 7$3,706 USD

43 data points across 12 retailers

14 retailers$790 USD to $1,748 USD

B+
Cheapest Retailer
-
$790 USD
B
Retailer 2
-
$941 USD
View
B
Retailer 3
-
$1,024 USD
View
B
Retailer 4
-
$1,053 USD
View
Final sale: no returns
Retailer 5
-
$1,091 USD
View
Price last confirmed 15 days ago
B
Retailer 6
-
$1,091 USD
View
B
Retailer 7
-
$1,265 USD
View
B
Retailer 8
-
$1,682 USD
£1,324 GBP
View
B
Retailer 9
-
$1,748 USD
View
Most Expensive
Friendly Diamonds
1594919 · Oct 31
$2,352 USD
View
Price under review
9 more retailers have this diamond
Prices start from $790 USDSave up to $958 USD

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
$790 USD