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Marquise|Lab Grown|IGI

1.98ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG851609372

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851609372

Diamond specifications and retailer prices

From £306 GBP
$410 USD
As of November 1, 2026
Save £743 GBP (71%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,048 GBP at With Clarity · As of November 3, 2026
View at With Clarity

About this 1.98ct lab-grown marquise diamond

This 1.98ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG851609372 or 851609372. Listed at 7 retailers as of November 1, 2026, with prices from £306 to £1,048, a £743 spread on the same certified stone. With Clarity lists it at £1,048. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.98
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851609372
Dimensions13.41 × 6.58 × 3.79 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.41 mm6.58 mm1.98 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851609372
Side View
Table 67.0%Crown 40.9°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 57.6%

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: Nov 1
Current: £444 GBP|Low: £306 GBP|High: £1,048 GBP|Avg: £666 GBP|+0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
With Clarity
November 3, 2026
Retailer 5£306 GBP
Retailer 1£444 GBP
Retailer 4£461 GBP
Retailer 3£581 GBP
Retailer 6£849 GBP
Retailer 2£1,012 GBP
With Clarity£1,048 GBP

5 data points across 7 retailers

7 retailers£306 GBP to £1,048 GBP

B+
Cheapest Retailer
-
£306 GBP
$410 USD
A
Retailer 2
-
£444 GBP
View
A
Retailer 3
-
£461 GBP
$619 USD
View
A
Retailer 4
-
£581 GBP
$780 USD
View
B+
Retailer 5
-
£849 GBP
$1,139 USD
View
B
Retailer 6
-
£1,012 GBP
View
Most Expensive
B
With Clarity
851609372 · Nov 3
£1,048 GBP
$1,407 USD
View
6 more retailers have this diamond
Prices start from £306 GBPSave up to £743 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
1.98ct Marquise
£306 GBP