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Marquise|Lab Grown|IGI

1.05ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG603343215

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG603343215

Diamond specifications and retailer prices

From £158 GBP
$210 USD
As of October 27, 2026
Save £765 GBP (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £923 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.05ct lab-grown marquise diamond

This 1.05ct 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 LG603343215 or 603343215. Listed at 18 retailers as of October 27, 2026, with prices from £158 to £923, a £765 spread on the same certified stone. Reve Diamonds lists it at £923. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603343215
Dimensions10.51 × 5.31 × 3.32 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.51 mm5.31 mm1.05 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG603343215
Side View
Table 58.0%Crown 36.2°Girdle: THN-STKPavilion 40.6°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: Oct 27
Current: £790 GBP|Low: £171 GBP|High: £923 GBP|Avg: £504 GBP|-10.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
October 29, 2026
Retailer 4£177 GBP
Retailer 2£269 GBP
Retailer 11£337 GBP
Retailer 6£337 GBP
Retailer 5£360 GBP
Retailer 3£375 GBP
Retailer 7£480 GBP
Retailer 10£631 GBP
Retailer 8£633 GBP
Retailer 12£671 GBP
Retailer 9£753 GBP
Retailer 1£790 GBP
Reve Diamonds£923 GBP

42 data points across 13 retailers

18 retailers£158 GBP to £923 GBP

A
Cheapest Retailer
-
£158 GBP
$210 USD
A
Retailer 2
-
£177 GBP
$235 USD
View
Final sale: no returns
A
Retailer 3
-
£184 GBP
$244 USD
View
A
Retailer 4
-
£196 GBP
$261 USD
View
A
Retailer 5
-
£196 GBP
$261 USD
View
A
Retailer 6
-
£269 GBP
$357 USD
View
B+
Retailer 7
-
£337 GBP
$448 USD
View
A
Retailer 8
-
£337 GBP
ZAR 7,238 ZAR
View
B+
Retailer 9
-
£360 GBP
View
B+
Retailer 10
-
£375 GBP
$498 USD
View
B+
Retailer 11
-
£414 GBP
HK$4,300 HKD
View
B+
Retailer 12
-
£480 GBP
A$981 AUD
View
B
Retailer 13
-
£631 GBP
$838 USD
View
B
Retailer 14
-
£633 GBP
$841 USD
View
B
Retailer 15
-
£671 GBP
$892 USD
View
B
Retailer 16
-
£753 GBP
$1,000 USD
View
B
Retailer 17
-
£790 GBP
View
Most Expensive
B
Reve Diamonds
249F83930 · Oct 28
£923 GBP
$1,227 USD
View
17 more retailers have this diamond
Prices start from £158 GBPSave up to £765 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
1.05ct Marquise
£158 GBP