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Marquise|Lab Grown|IGI

6.20ct G VS2 Marquise Lab Grown Diamond

ID • G/VS2 • IGI LG589379342

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG589379342

Diamond specifications and retailer prices

From £702 GBP
$941 USD
As of October 30, 2026
Save £5,537 GBP (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £6,239 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 6.2ct lab-grown marquise diamond

This 6.2ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG589379342 or 589379342. Listed at 10 retailers as of October 30, 2026, with prices from £702 to £6,239, a £5,537 spread on the same certified stone. Do Amore Diamonds lists it at £6,239. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.20
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG589379342
Dimensions18.46 × 9.62 × 6.06 mm
L/W Ratio1.92
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
18.46 mm9.62 mm6.20 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG589379342
Side View
Table 61.0%Crown 36°Girdle: MediumPavilion 40.5°Culet: NoneDepth 63.0%

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: Oct 30
Current: £6,239 GBP|Low: £702 GBP|High: £6,575 GBP|Avg: £2,573 GBP|-5.1%
Do Amore Diamonds
Retailer 2
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Retailer 4
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Retailer 11
Retailer 12
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Retailer 17
October 29, 2026
Retailer 13£702 GBP
Retailer 11£764 GBP
Retailer 4£1,077 GBP
Retailer 6£1,108 GBP
Retailer 15£1,305 GBP
Retailer 10£1,306 GBP
Retailer 14£1,685 GBP
Retailer 12£1,755 GBP
Retailer 16£1,794 GBP
Retailer 8£1,910 GBP
Retailer 3£2,195 GBP
Retailer 17£2,830 GBP
Retailer 2£3,066 GBP
Retailer 9£3,982 GBP
Retailer 7£4,105 GBP
Retailer 5£4,926 GBP
Do Amore Diamonds£6,239 GBP

15 data points across 17 retailers

10 retailers£702 GBP to £6,239 GBP

A
Cheapest Retailer
-
£702 GBP
$941 USD
A
Retailer 2
-
£764 GBP
$1,024 USD
View
B+
Retailer 3
-
£1,305 GBP
$1,748 USD
View
A
Retailer 4
-
£1,306 GBP
$1,750 USD
View
A
Retailer 5
-
£1,685 GBP
$2,258 USD
View
A
Retailer 6
-
£1,755 GBP
$2,352 USD
View
B
Retailer 7
-
£3,066 GBP
View
B
Retailer 8
-
£4,105 GBP
$5,500 USD
View
B
Retailer 9
-
£4,926 GBP
$6,600 USD
View
Most Expensive
B
Do Amore Diamonds
27-D61C18FFA · Oct 31
£6,239 GBP
$8,360 USD
View
9 more retailers have this diamond
Prices start from £702 GBPSave up to £5,537 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
6.20ct Marquise
£702 GBP