Marquise|Lab Grown|IGI

1.02ct E FL Marquise Lab Grown Diamond

EX • E/FL

Diamond specifications and retailer prices

From £151 GBP
$201 USD
As of October 30, 2026
Save £870 GBP (85%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,021 GBP at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 1.02ct lab-grown marquise diamond

This 1.02ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI. Listed at 5 retailers as of October 29, 2026, with prices from £151 to £1,021, a £870 spread on the same certified stone. Blue Nile lists it at £1,021. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions10.56 × 5.23 × 3.37 mm
L/W Ratio2.02
Top View
10.56 mm5.23 mm1.02 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 64.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,021 GBP|Low: £151 GBP|High: £1,523 GBP|Avg: £686 GBP
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2£151 GBP
Retailer 4£175 GBP
Retailer 5£369 GBP
Retailer 3£665 GBP
Blue Nile£1,021 GBP
Retailer 6£1,523 GBP

6 data points across 6 retailers

5 retailers£151 GBP to £1,021 GBP

A
Cheapest Retailer
-
£151 GBP
$201 USD
A
Retailer 2
-
£175 GBP
$233 USD
View
A
Retailer 3
-
£369 GBP
$492 USD
View
B+
Retailer 4
-
£665 GBP
$885 USD
View
Most Expensive
B
Blue Nile
30353757 · Oct 29
£1,021 GBP
$1,360 USD
View
4 more retailers have this diamond
Prices start from £151 GBPSave up to £870 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
1.02ct Marquise
£151 GBP