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Marquise|Lab Grown|IGI

1.28ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG845652798

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845652798

Diamond specifications and retailer prices

From £179 GBP
As of November 4, 2026
Save £742 GBP (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £921 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.28ct lab-grown marquise diamond

This 1.28ct 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 LG845652798 or 845652798. Listed at 11 retailers as of November 4, 2026, with prices from £179 to £921, a £742 spread on the same certified stone. Reve Diamonds lists it at £921. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845652798
Dimensions11.04 × 5.77 × 3.58 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.04 mm5.77 mm1.28 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845652798
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.0%

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: £264 GBP|Low: £179 GBP|High: £921 GBP|Avg: £506 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
November 4, 2026
Retailer 4£179 GBP
Retailer 1£264 GBP
Retailer 10£339 GBP
Retailer 8£341 GBP
Retailer 3£363 GBP
Retailer 7£382 GBP
Retailer 5£484 GBP
Retailer 6£639 GBP
Retailer 9£675 GBP
Retailer 2£756 GBP
Reve Diamonds£921 GBP

5 data points across 11 retailers

11 retailers£179 GBP to £921 GBP

A
Cheapest Retailer
-
£179 GBP
Final sale: no returns
A
Retailer 2
-
£264 GBP
View
A
Retailer 3
-
£339 GBP
View
A
Retailer 4
-
£341 GBP
View
A
Retailer 5
-
£363 GBP
View
A
Retailer 6
-
£382 GBP
View
B+
Retailer 7
-
£484 GBP
View
B
Retailer 8
-
£639 GBP
View
B
Retailer 9
-
£675 GBP
View
B
Retailer 10
-
£756 GBP
View
Most Expensive
B
Reve Diamonds
678C774AB · Nov 4
£921 GBP
$1,243 USD
View
10 more retailers have this diamond
Prices start from £179 GBPSave up to £742 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
1.28ct Marquise
£179 GBP