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Marquise|Lab Grown|IGI

1.59ct G VVS1 Marquise Lab Grown Diamond

EX • G/VVS1 • IGI LG799657462

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG799657462

Diamond specifications and retailer prices

From £781 GBP
CA$1,456 CAD
As of November 2, 2026
Save £337 GBP (30%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £1,118 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.59ct lab-grown marquise diamond

This 1.59ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG799657462 or 799657462. Listed at 3 retailers as of November 2, 2026, with prices from £781 to £1,118, a £337 spread on the same certified stone. Brilliant Earth lists it at £1,118. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799657462
Dimensions12.00 × 6.23 × 3.86 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.00 mm6.23 mm1.59 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799657462
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.0%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: £1,118 GBP|Low: £361 GBP|High: £1,736 GBP|Avg: £855 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
August 3, 2026
Retailer 12£361 GBP
Retailer 4£464 GBP
Retailer 11£534 GBP
Retailer 8£563 GBP
Retailer 5£593 GBP
Retailer 6£781 GBP
Retailer 9£984 GBP
Retailer 2£1,033 GBP
Retailer 7£1,041 GBP
Retailer 3£1,072 GBP
Brilliant Earth£1,118 GBP
Retailer 10£1,736 GBP

29 data points across 12 retailers

3 retailers£781 GBP to £1,118 GBP

B+
Cheapest Retailer
-
£781 GBP
CA$1,456 CAD
B
Retailer 2
-
£1,033 GBP
$1,386 USD
View
Most Expensive
B
Brilliant Earth
19855113Y · Nov 2
£1,118 GBP
$1,500 USD
View
2 more retailers have this diamond
Prices start from £781 GBPSave up to £337 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+
1.59ct Marquise
£781 GBP