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Marquise|Lab Grown|IGI

6.18ct G VS2 Marquise Lab Grown Diamond

GD • G/VS2 • IGI LG596337394

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG596337394

Diamond specifications and retailer prices

From £700 GBP
$938 USD
As of October 30, 2026
Save £5,517 GBP (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £6,217 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 6.18ct lab-grown marquise diamond

This 6.18ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG596337394 or 596337394. Listed at 11 retailers as of October 30, 2026, with prices from £700 to £6,217, a £5,517 spread on the same certified stone. Do Amore Diamonds lists it at £6,217. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

6.18
Carat
G
Colour
VS2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG596337394
Dimensions19.43 × 9.60 × 5.83 mm
L/W Ratio2.02
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
19.43 mm9.60 mm6.18 ctG / VS2
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG596337394
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £6,217 GBP|Low: £700 GBP|High: £6,553 GBP|Avg: £2,446 GBP|-5.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
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Retailer 11
Retailer 12
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Retailer 18
November 1, 2026
Retailer 14£700 GBP
Retailer 12£762 GBP
Retailer 17£826 GBP
Retailer 6£956 GBP
Retailer 7£1,038 GBP
Retailer 16£1,300 GBP
Retailer 11£1,302 GBP
Retailer 15£1,680 GBP
Retailer 13£1,750 GBP
Retailer 3£1,784 GBP
Retailer 9£1,904 GBP
Retailer 5£2,184 GBP
Retailer 4£2,821 GBP
Retailer 2£3,040 GBP
Retailer 10£3,970 GBP
Retailer 8£4,097 GBP
Retailer 18£4,911 GBP
Do Amore Diamonds£6,217 GBP

15 data points across 18 retailers

11 retailers£700 GBP to £6,217 GBP

A
Cheapest Retailer
-
£700 GBP
$938 USD
A
Retailer 2
-
£762 GBP
$1,021 USD
View
B+
Retailer 3
-
£826 GBP
$1,107 USD
View
Final sale: no returns
B+
Retailer 4
-
£1,300 GBP
$1,742 USD
View
B+
Retailer 5
-
£1,302 GBP
$1,745 USD
View
B+
Retailer 6
-
£1,680 GBP
$2,251 USD
View
B+
Retailer 7
-
£1,750 GBP
$2,345 USD
View
B
Retailer 8
-
£3,040 GBP
View
B
Retailer 9
-
£4,097 GBP
$5,490 USD
View
C
Retailer 10
-
£4,911 GBP
$6,580 USD
View
Most Expensive
C
Do Amore Diamonds
27-8BB2E31E4 · Oct 31
£6,217 GBP
$8,330 USD
View
10 more retailers have this diamond
Prices start from £700 GBPSave up to £5,517 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
6.18ct Marquise
£700 GBP