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Marquise|Lab Grown|IGI

1.59ct G VVS1 Marquise Lab Grown Diamond

EX • G/VVS1 • IGI LG781625486

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG781625486

Diamond specifications and retailer prices

From £788 GBP
CA$1,469 CAD
As of November 2, 2026
Save £255 GBP (24%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,043 GBP at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

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 LG781625486 or 781625486. Listed at 6 retailers as of November 1, 2026, with prices from £788 to £1,043, a £255 spread on the same certified stone. The Diamond Guys lists it at £1,043. 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 angle35.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781625486
Dimensions11.85 × 6.04 × 3.86 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.85 mm6.04 mm1.59 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781625486
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.9%

Caratlytics Score

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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: Nov 2
Current: £209 GBP|Low: £209 GBP|High: £1,699 GBP|Avg: £729 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
The Diamond Guys
October 20, 2026
Retailer 1£209 GBP
Retailer 9£311 GBP
Retailer 14£358 GBP
Retailer 3£408 GBP
Retailer 7£434 GBP
Retailer 5£491 GBP
Retailer 4£525 GBP
Retailer 12£573 GBP
Retailer 2£661 GBP
Retailer 6£788 GBP
Retailer 8£794 GBP
Retailer 10£825 GBP
Retailer 15£967 GBP
The Diamond Guys£1,043 GBP
Retailer 11£1,110 GBP
Retailer 13£1,699 GBP

5 data points across 16 retailers

6 retailers£788 GBP to £1,043 GBP

Retailer 1
-
£311 GBP
$417 USD
Price last confirmed 12 days ago
Retailer 2
-
£573 GBP
$769 USD
View
Price last confirmed 19 days ago
B+
Retailer 3
-
£788 GBP
CA$1,469 CAD
View
Retailer 4
-
£794 GBP
$1,065 USD
View
Price last confirmed 15 days ago
Retailer 5
-
£825 GBP
$1,107 USD
View
Price last confirmed 13 days ago
Most Expensive
B
The Diamond Guys
1952043346 · Nov 1
£1,043 GBP
$1,399 USD
View
5 more retailers have this diamond
Prices start from £788 GBPSave up to £255 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
£788 GBP