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Marquise|Lab Grown|IGI

1.03ct F IF Marquise Lab Grown Diamond

ID • F/IF • IGI LG853636768

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG853636768

Diamond specifications and retailer prices

From £204 GBP
As of November 5, 2026
Save £923 GBP (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,127 GBP at Yadav Diamonds · As of November 4, 2026
View at Yadav Diamonds

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG853636768 or 853636768. Listed at 10 retailers as of November 4, 2026, with prices from £204 to £1,127, a £923 spread on the same certified stone. Yadav Diamonds lists it at £1,127. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG853636768
Dimensions10.68 × 5.11 × 3.31 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.68 mm5.11 mm1.03 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG853636768
Side View
Table 61.0%Crown 35.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 64.8%

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 5
Current: £204 GBP|Low: £204 GBP|High: £1,127 GBP|Avg: £553 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Yadav Diamonds
November 5, 2026
Retailer 1£204 GBP
Retailer 4£218 GBP
Retailer 8£264 GBP
Retailer 2£357 GBP
Retailer 6£476 GBP
Retailer 7£536 GBP
Retailer 5£666 GBP
Retailer 9£680 GBP
Retailer 3£778 GBP
Yadav Diamonds£1,127 GBP

3 data points across 10 retailers

10 retailers£204 GBP to £1,127 GBP

A
Cheapest Retailer
-
£204 GBP
A
Retailer 2
-
£218 GBP
View
A
Retailer 3
-
£264 GBP
View
A
Retailer 4
-
£357 GBP
View
B+
Retailer 5
-
£476 GBP
View
B+
Retailer 6
-
£536 GBP
View
B+
Retailer 7
-
£666 GBP
View
B+
Retailer 8
-
£680 GBP
View
B
Retailer 9
-
£778 GBP
View
Most Expensive
B
Yadav Diamonds
13386743 · Nov 4
£1,127 GBP
$1,517 USD
View
9 more retailers have this diamond
Prices start from £204 GBPSave up to £923 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
1.03ct Marquise
£204 GBP