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Marquise|Lab Grown|IGI

1.03ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG792621446

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG792621446

Diamond specifications and retailer prices

From £130 GBP
$174 USD
As of October 30, 2026
Save £631 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £761 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.03ct lab-grown marquise diamond

This 1.03ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG792621446 or 792621446. Listed at 19 retailers as of October 29, 2026, with prices from £130 to £761, a £631 spread on the same certified stone. MOH London 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

1.03
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792621446
Dimensions10.31 × 5.30 × 3.25 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.31 mm5.30 mm1.03 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792621446
Side View
Table 58.0%Crown 33.8°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.3%

Caratlytics Score

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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 30
Current: £761 GBP|Low: £124 GBP|High: £768 GBP|Avg: £375 GBP|+0.2%
MOH London
Retailer 2
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Retailer 19
November 1, 2026
Retailer 15£130 GBP
Retailer 7£146 GBP
Retailer 5£152 GBP
Retailer 19£161 GBP
Retailer 11£162 GBP
Retailer 6£250 GBP
Retailer 3£278 GBP
Retailer 16£287 GBP
Retailer 2£289 GBP
Retailer 9£388 GBP
Retailer 4£395 GBP
Retailer 14£397 GBP
Retailer 13£409 GBP
Retailer 8£441 GBP
Retailer 12£518 GBP
Retailer 17£539 GBP
Retailer 18£559 GBP
Retailer 10£731 GBP
MOH London£761 GBP

37 data points across 19 retailers

19 retailers£130 GBP to £761 GBP

A
Cheapest Retailer
-
£130 GBP
$174 USD
A
Retailer 2
-
£146 GBP
$195 USD
View
Final sale: no returns
A
Retailer 3
-
£152 GBP
$203 USD
View
A
Retailer 4
-
£161 GBP
$216 USD
View
A
Retailer 5
-
£162 GBP
$217 USD
View
A
Retailer 6
-
£250 GBP
$335 USD
View
A
Retailer 7
-
£278 GBP
ZAR 6,018 ZAR
View
A
Retailer 8
-
£287 GBP
$384 USD
View
A
Retailer 9
-
£289 GBP
View
B+
Retailer 10
-
£388 GBP
$520 USD
View
B+
Retailer 11
-
£395 GBP
A$814 AUD
View
B+
Retailer 12
-
£397 GBP
$532 USD
View
B+
Retailer 13
-
£409 GBP
$548 USD
View
B+
Retailer 14
-
£441 GBP
SGD 799 SGD
View
B+
Retailer 15
-
£518 GBP
$694 USD
View
B
Retailer 16
-
£539 GBP
$722 USD
View
B
Retailer 17
-
£559 GBP
$749 USD
View
B
Retailer 18
-
£731 GBP
$980 USD
View
Most Expensive
B
MOH London
LG792621446 · Oct 29
£761 GBP
View
18 more retailers have this diamond
Prices start from £130 GBPSave up to £631 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
£130 GBP