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Marquise|Lab Grown|IGI

5.10ct G VVS2 Marquise Lab Grown Diamond

EX • G/VVS2 • IGI LG787639360

Certificate IGI LG787639360

Diamond specifications and retailer prices

From £2,261 GBP
$3,030 USD
As of October 30, 2026
Save £2,993 GBP (57%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £5,254 GBP at Kay Jewelers · As of November 1, 2026
View at Kay Jewelers

About this 5.1ct lab-grown marquise diamond

This 5.1ct lab-grown marquise sits in the over five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG787639360 or 787639360. Listed at 4 retailers as of October 30, 2026, with prices from £2,261 to £5,254, a £2,993 spread on the same certified stone. Kay Jewelers lists it at £5,254. 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

5.10
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG787639360
Dimensions17.69 × 9.20 × 5.52 mm
L/W Ratio1.92
Top View
17.69 mm9.20 mm5.10 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787639360
Side View
Table 59.0%CrownGirdle: MediumPavilionCulet: NoneDepth 60.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £5,254 GBP|Low: £2,261 GBP|High: £5,799 GBP|Avg: £4,548 GBP
Kay Jewelers
Retailer 2
Retailer 3
Retailer 4
September 28, 2026
Retailer 2£2,261 GBP
Retailer 3£3,652 GBP
Kay Jewelers£5,254 GBP
Retailer 4£5,254 GBP

2 data points across 4 retailers

4 retailers£2,261 GBP to £5,254 GBP

B+
Cheapest Retailer
-
£2,261 GBP
$3,030 USD
B
Retailer 2
-
£3,652 GBP
$4,893 USD
View
B
Retailer 3
-
£5,254 GBP
$7,040 USD
View
Most Expensive
B
Kay Jewelers
258523656 · Nov 1
£5,254 GBP
$7,040 USD
View
3 more retailers have this diamond
Prices start from £2,261 GBPSave up to £2,993 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.

B+
5.10ct Marquise
£2,261 GBP