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Marquise|Lab Grown|IGI

6.09ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG849658983

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG849658983

Diamond specifications and retailer prices

From £993 GBP
As of October 28, 2026
Save £4,857 GBP (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £5,850 GBP at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 6.09ct lab-grown marquise diamond

This 6.09ct lab-grown marquise sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG849658983 or 849658983. Listed at 9 retailers as of October 26, 2026, with prices from £993 to £5,850, a £4,857 spread on the same certified stone. Brilliant Earth lists it at £5,850. 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

6.09
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG849658983
Dimensions19.16 × 9.43 × 5.89 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.16 mm9.43 mm6.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG849658983
Side View
Table 59.0%Crown 36.3°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 62.5%

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 28
Current: £3,294 GBP|Low: £993 GBP|High: £3,920 GBP|Avg: £2,185 GBP|+4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 5£993 GBP
Retailer 7£1,069 GBP
Retailer 2£1,135 GBP
Retailer 3£1,493 GBP
Retailer 6£1,943 GBP
Retailer 1£3,294 GBP
Retailer 8£3,391 GBP
Retailer 4£3,920 GBP

4 data points across 8 retailers

9 retailers£993 GBP to £5,850 GBP

A
Cheapest Retailer
-
£993 GBP
Retailer 2
-
£1,069 GBP
$1,435 USD
View
Price last confirmed 5 days ago
A
Retailer 3
-
£1,135 GBP
HK$11,900 HKD
View
A
Retailer 4
-
£1,493 GBP
$2,004 USD
View
B+
Retailer 5
-
£1,943 GBP
$2,608 USD
View
B
Retailer 6
-
£3,294 GBP
SGD 5,973 SGD
View
B
Retailer 7
-
£3,391 GBP
$4,551 USD
View
B
Retailer 8
-
£3,920 GBP
$5,260 USD
View
Most Expensive
B
Brilliant Earth
22310199A · Oct 26
£5,850 GBP
$7,850 USD
View
8 more retailers have this diamond
Prices start from £993 GBPSave up to £4,857 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
6.09ct Marquise
£993 GBP