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Marquise|Lab Grown|IGI

1.59ct G VVS2 Marquise Lab Grown Diamond

EX • G/VVS2 • IGI LG786666316

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG786666316

Diamond specifications and retailer prices

From £299 GBP
$401 USD
As of November 1, 2026
Save £688 GBP (70%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £987 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG786666316 or 786666316. Listed at 6 retailers as of November 1, 2026, with prices from £299 to £987, a £688 spread on the same certified stone. The Diamond Guys lists it at £987. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786666316
Dimensions12.17 × 6.13 × 3.77 mm
L/W Ratio1.99
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.17 mm6.13 mm1.59 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786666316
Side View
Table 61.0%Crown 34.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.5%

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 1
Current: £786 GBP|Low: £285 GBP|High: £1,597 GBP|Avg: £724 GBP|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
The Diamond Guys
October 27, 2026
Retailer 5£299 GBP
Retailer 11£324 GBP
Retailer 10£404 GBP
Retailer 7£411 GBP
Retailer 8£456 GBP
Retailer 2£746 GBP
Retailer 6£754 GBP
Retailer 1£786 GBP
Retailer 9£925 GBP
Retailer 4£982 GBP
The Diamond Guys£987 GBP
Retailer 3£1,597 GBP

6 data points across 12 retailers

6 retailers£299 GBP to £987 GBP

B+
Cheapest Retailer
-
£299 GBP
$401 USD
B+
Retailer 2
-
£746 GBP
CA$1,389 CAD
View
B+
Retailer 3
-
£754 GBP
$1,010 USD
View
B+
Retailer 4
-
£786 GBP
$1,053 USD
View
B
Retailer 5
-
£982 GBP
$1,316 USD
View
Most Expensive
B
The Diamond Guys
1952043562 · Nov 1
£987 GBP
$1,323 USD
View
5 more retailers have this diamond
Prices start from £299 GBPSave up to £688 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
£299 GBP