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Marquise|Lab Grown|IGI

1.59ct I VS1 Marquise Lab Grown Diamond

EX • I/VS1 • IGI LG846648094

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846648094

Diamond specifications and retailer prices

From £412 GBP
$552 USD
As of October 30, 2026
Save £889 GBP (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,301 GBP at MOH London · As of October 26, 2026
View at MOH London

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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG846648094 or 846648094. Listed at 9 retailers as of October 26, 2026, with prices from £412 to £1,301, a £889 spread on the same certified stone. MOH London lists it at £1,301. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846648094
Dimensions12.55 × 6.12 × 3.73 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.55 mm6.12 mm1.59 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846648094
Side View
Table 59.0%Crown 34.3°Girdle: THN-STKPavilion 40.5°Culet: NoneDepth 60.9%

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 30
Current: £1,301 GBP|Low: £358 GBP|High: £1,301 GBP|Avg: £716 GBP|+21.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 3£412 GBP
Retailer 9£428 GBP
Retailer 6£446 GBP
Retailer 8£581 GBP
Retailer 5£724 GBP
Retailer 2£780 GBP
Retailer 4£851 GBP
Retailer 7£1,099 GBP
MOH London£1,301 GBP

7 data points across 9 retailers

9 retailers£412 GBP to £1,301 GBP

A
Cheapest Retailer
-
£412 GBP
$552 USD
A
Retailer 2
-
£428 GBP
€546 EUR
View
A
Retailer 3
-
£446 GBP
$598 USD
View
B+
Retailer 4
-
£581 GBP
$778 USD
View
B+
Retailer 5
-
£724 GBP
$970 USD
View
B+
Retailer 6
-
£780 GBP
$1,045 USD
View
B+
Retailer 7
-
£851 GBP
$1,140 USD
View
B
Retailer 8
-
£1,099 GBP
$1,473 USD
View
Most Expensive
B
MOH London
LG846648094 · Oct 26
£1,301 GBP
View
8 more retailers have this diamond
Prices start from £412 GBPSave up to £889 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
1.59ct Marquise
£412 GBP