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Marquise|Lab Grown|IGI

1.27ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG742503309

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG742503309

Diamond specifications and retailer prices

From £176 GBP
As of November 4, 2026
Save £722 GBP (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,689 GBP at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.27ct lab-grown marquise diamond

This 1.27ct lab-grown marquise 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 LG742503309 or 742503309. Listed at 18 retailers as of November 4, 2026, with a 411% 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

1.27
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742503309
Dimensions10.91 × 5.73 × 3.62 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.91 mm5.73 mm1.27 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742503309
Side View
Table 61.0%Crown 36.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
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 4
Current: £1,689 GBP|Low: £176 GBP|High: £1,689 GBP|Avg: £578 GBP
Do Amore Diamonds
Retailer 2
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Retailer 19
November 4, 2026
Retailer 17£176 GBP
Retailer 9£196 GBP
Retailer 18£204 GBP
Retailer 14£218 GBP
Retailer 16£218 GBP
Retailer 8£297 GBP
Retailer 3£322 GBP
Retailer 6£368 GBP
Retailer 7£397 GBP
Retailer 13£414 GBP
Retailer 2£455 GBP
Retailer 5£556 GBP
Retailer 12£590 GBP
Retailer 4£703 GBP
Retailer 19£773 GBP
Retailer 10£898 GBP
Retailer 15£965 GBP
Retailer 11£1,317 GBP
Do Amore Diamonds£1,689 GBP

31 data points across 19 retailers

18 retailers£176 GBP to £898 GBP

A
Cheapest Retailer
-
£176 GBP
A
Retailer 2
-
£196 GBP
View
Final sale: no returns
A
Retailer 3
-
£204 GBP
View
A
Retailer 4
-
£218 GBP
View
Retailer 5
-
£218 GBP
View
Price last confirmed 10 days ago
A
Retailer 6
-
£297 GBP
View
A
Retailer 7
-
£368 GBP
View
A
Retailer 8
-
£397 GBP
View
A
Retailer 9
-
£414 GBP
View
B+
Retailer 10
-
£455 GBP
View
Retailer 11
-
£556 GBP
View
Price last confirmed 7 days ago
B+
Retailer 12
-
£590 GBP
View
B
Retailer 13
-
£703 GBP
View
B
Retailer 14
-
£773 GBP
View
B
Retailer 15
-
£898 GBP
View
Retailer 16
-
£965 GBP
View
Price last confirmed 9 days ago
Retailer 17
-
£1,317 GBP
View
Price last confirmed 8 days ago
Most Expensive
Do Amore Diamonds
27-E914B73C3 · Nov 4
£1,689 GBP
$2,280 USD
View
Price under review
17 more retailers have this diamond
Prices start from £176 GBPSave up to £722 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 Marquise
£176 GBP