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Marquise|Lab Grown|IGI

1.03ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG841627200

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841627200

Diamond specifications and retailer prices

From £129 GBP
$173 USD
As of November 2, 2026
Save £1,108 GBP (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,237 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG841627200 or 841627200. Listed at 16 retailers as of November 2, 2026, with prices from £129 to £1,237, a £1,108 spread on the same certified stone. Do Amore Diamonds lists it at £1,237. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841627200
Dimensions10.77 × 5.20 × 3.25 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.77 mm5.20 mm1.03 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841627200
Side View
Table 61.0%Crown 34.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.5%

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: Nov 2
Current: £1,237 GBP|Low: £129 GBP|High: £13,380 GBP|Avg: £3,074 GBP
Do Amore Diamonds
Retailer 2
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 17
November 2, 2026
Retailer 12£129 GBP
Retailer 17£144 GBP
Retailer 15£150 GBP
Retailer 5£160 GBP
Retailer 14£203 GBP
Retailer 7£216 GBP
Retailer 11£216 GBP
Retailer 16£305 GBP
Retailer 13£319 GBP
Retailer 10£431 GBP
Retailer 2£544 GBP
Retailer 6£569 GBP
Retailer 8£697 GBP
Retailer 3£826 GBP
Retailer 4£827 GBP
Do Amore Diamonds£1,237 GBP
Retailer 9£12,075 GBP

21 data points across 17 retailers

16 retailers£129 GBP to £1,237 GBP

A
Cheapest Retailer
-
£129 GBP
$173 USD
A
Retailer 2
-
£144 GBP
$193 USD
View
Final sale: no returns
A
Retailer 3
-
£150 GBP
$201 USD
View
A
Retailer 4
-
£160 GBP
$215 USD
View
A
Retailer 5
-
£203 GBP
$272 USD
View
B+
Retailer 6
-
£216 GBP
$290 USD
View
A
Retailer 7
-
£216 GBP
View
A
Retailer 8
-
£305 GBP
ZAR 6,616 ZAR
View
A
Retailer 9
-
£319 GBP
View
B+
Retailer 10
-
£431 GBP
A$890 AUD
View
B
Retailer 11
-
£544 GBP
$730 USD
View
B
Retailer 12
-
£569 GBP
$763 USD
View
B
Retailer 13
-
£697 GBP
$936 USD
View
B
Retailer 14
-
£826 GBP
View
B
Retailer 15
-
£827 GBP
$1,110 USD
View
Most Expensive
B
Do Amore Diamonds
27-88D0ACC6D · Nov 2
£1,237 GBP
$1,660 USD
View
15 more retailers have this diamond
Prices start from £129 GBPSave up to £1,108 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
£129 GBP