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Marquise|Lab Grown|IGI

5.10ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG717597155

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG717597155

Diamond specifications and retailer prices

From £1,435 GBP
CA$2,670 CAD
As of October 30, 2026
Save £636 GBP (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £2,070 GBP at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

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 LG717597155 or 717597155. Listed at 2 retailers as of October 30, 2026, with prices from £1,435 to £2,070, a £636 spread on the same certified stone. The Diamond Guys lists it at £2,070. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717597155
Dimensions18.67 × 8.92 × 5.46 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizePointed
Top View
18.67 mm8.92 mm5.10 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717597155
Side View
Table 63.0%Crown 35.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £5,187 GBP|Low: £560 GBP|High: £7,560 GBP|Avg: £1,677 GBP|+12.5%
Retailer 1
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Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 14
The Diamond Guys
August 3, 2026
Retailer 12£560 GBP
Retailer 6£649 GBP
Retailer 5£754 GBP
Retailer 8£849 GBP
Retailer 2£899 GBP
Retailer 3£1,011 GBP
Retailer 13£1,134 GBP
Retailer 7£1,435 GBP
Retailer 10£1,441 GBP
Retailer 11£1,725 GBP
The Diamond Guys£2,070 GBP
Retailer 14£3,276 GBP
Retailer 4£3,447 GBP
Retailer 9£4,803 GBP
Retailer 1£5,187 GBP

59 data points across 15 retailers

2 retailers£1,435 GBP to £2,070 GBP

A
Cheapest Retailer
-
£1,435 GBP
CA$2,670 CAD
Most Expensive
B+
The Diamond Guys
1954434968 · Nov 1
£2,070 GBP
$2,774 USD
View
1 more retailer has this diamond
Prices start from £1,435 GBPSave up to £636 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
5.10ct Marquise
£1,435 GBP