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Marquise|Lab Grown|IGI

1.28ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2

Diamond specifications and retailer prices

From £270 GBP
$360 USD
As of October 29, 2026
Save £491 GBP (64%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £761 GBP at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI. Listed at 4 retailers as of October 29, 2026, with prices from £270 to £761, a £491 spread on the same certified stone. The Diamond Guys lists it at £761. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions10.83 × 5.66 × 3.65 mm
L/W Ratio1.91
Top View
10.83 mm5.66 mm1.28 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 64.5%

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: Oct 29
Current: £270 GBP|Low: £270 GBP|High: £761 GBP|Avg: £572 GBP
Retailer 1
Retailer 2
Retailer 3
The Diamond Guys
October 9, 2026
Retailer 1£270 GBP
Retailer 2£340 GBP
Retailer 3£575 GBP
The Diamond Guys£761 GBP

4 data points across 4 retailers

4 retailers£270 GBP to £761 GBP

A
Cheapest Retailer
-
£270 GBP
$360 USD
Retailer 2
-
£340 GBP
$453 USD
View
Price last confirmed 16 days ago
B
Retailer 3
-
£575 GBP
CA$1,064 CAD
View
Most Expensive
B
The Diamond Guys
1986620312 · Oct 30
£761 GBP
$1,014 USD
View
3 more retailers have this diamond
Prices start from £270 GBPSave up to £491 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
£270 GBP