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Marquise|Lab Grown|IGI

1.58ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG850630375

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG850630375

Diamond specifications and retailer prices

From £229 GBP
HK$2,400 HKD
As of October 30, 2026
Save £1,110 GBP (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,339 GBP at Helzberg Diamonds · As of October 28, 2026
View at Helzberg Diamonds

About this 1.58ct lab-grown marquise diamond

This 1.58ct 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 LG850630375 or 850630375. Listed at 13 retailers as of October 28, 2026, with prices from £229 to £1,339, a £1,110 spread on the same certified stone. Helzberg Diamonds lists it at £1,339. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850630375
Dimensions5.99 × 12.52 × 3.77 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.99 mm12.52 mm1.58 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850630375
Side View
Table 61.0%Crown 34.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.9%

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: Oct 30
Current: £1,339 GBP|Low: £229 GBP|High: £1,339 GBP|Avg: £632 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 11£229 GBP
Retailer 8£232 GBP
Retailer 3£272 GBP
Retailer 6£375 GBP
Retailer 2£406 GBP
Retailer 9£450 GBP
Retailer 10£651 GBP
Retailer 4£668 GBP
Retailer 13£690 GBP
Retailer 7£816 GBP
Retailer 5£817 GBP
Retailer 12£825 GBP
Helzberg Diamonds£1,339 GBP

2 data points across 13 retailers

13 retailers£229 GBP to £1,339 GBP

A
Cheapest Retailer
-
£229 GBP
HK$2,400 HKD
A
Retailer 2
-
£232 GBP
View
B+
Retailer 3
-
£272 GBP
$365 USD
View
A
Retailer 4
-
£375 GBP
View
A
Retailer 5
-
£406 GBP
$544 USD
View
A
Retailer 6
-
£450 GBP
$603 USD
View
B+
Retailer 7
-
£651 GBP
$872 USD
View
B+
Retailer 8
-
£668 GBP
SGD 1,210 SGD
View
B+
Retailer 9
-
£690 GBP
$925 USD
View
B+
Retailer 10
-
£816 GBP
View
B+
Retailer 11
-
£817 GBP
$1,095 USD
View
B+
Retailer 12
-
£825 GBP
$1,105 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOLGMJGJNL · Oct 28
£1,339 GBP
$1,794 USD
View
12 more retailers have this diamond
Prices start from £229 GBPSave up to £1,110 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
1.58ct Marquise
£229 GBP