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Marquise|Lab Grown|IGI

5.09ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG837617601

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837617601

Diamond specifications and retailer prices

From £697 GBP
HK$7,300 HKD
As of November 1, 2026
Save £2,340 GBP (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,038 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 5.09ct lab-grown marquise diamond

This 5.09ct 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 LG837617601 or 837617601. Listed at 9 retailers as of October 28, 2026, with prices from £697 to £3,038, a £2,340 spread on the same certified stone. Rare Carat lists it at £3,038. 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

5.09
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837617601
Dimensions18.14 × 9.15 × 5.43 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.14 mm9.15 mm5.09 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837617601
Side View
Table 60.0%Crown 32.3°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 59.3%

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: Nov 1
Current: £3,038 GBP|Low: £697 GBP|High: £3,060 GBP|Avg: £1,530 GBP|-0.7%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 5£697 GBP
Retailer 6£888 GBP
Retailer 2£947 GBP
Retailer 7£961 GBP
Retailer 4£1,005 GBP
Retailer 8£1,440 GBP
Retailer 9£2,039 GBP
Retailer 3£2,504 GBP
Rare Carat£3,038 GBP

40 data points across 9 retailers

9 retailers£697 GBP to £3,038 GBP

A
Cheapest Retailer
-
£697 GBP
HK$7,300 HKD
A
Retailer 2
-
£888 GBP
$1,190 USD
View
A
Retailer 3
-
£947 GBP
View
B+
Retailer 4
-
£961 GBP
$1,288 USD
View
A
Retailer 5
-
£1,005 GBP
€1,282 EUR
View
A
Retailer 6
-
£1,440 GBP
$1,929 USD
View
B+
Retailer 7
-
£2,039 GBP
$2,733 USD
View
B+
Retailer 8
-
£2,504 GBP
View
Most Expensive
B
Rare Carat
KI6016176KF837 · Oct 28
£3,038 GBP
$4,070 USD
View
8 more retailers have this diamond
Prices start from £697 GBPSave up to £2,340 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
5.09ct Marquise
£697 GBP