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Marquise|Lab Grown|IGI

1.98ct G IF Marquise Lab Grown Diamond

EX • G/IF • IGI LG847678851

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG847678851

Diamond specifications and retailer prices

From £449 GBP
HK$4,700 HKD
As of November 1, 2026
Save £1,715 GBP (79%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £2,164 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG847678851 or 847678851. Listed at 9 retailers as of November 1, 2026, with prices from £449 to £2,164, a £1,715 spread on the same certified stone. Rare Carat lists it at £2,164. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847678851
Dimensions13.02 × 6.48 × 4.09 mm
L/W Ratio2.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.02 mm6.48 mm1.98 ctG / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847678851
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.1%

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: £675 GBP|Low: £449 GBP|High: £1,779 GBP|Avg: £989 GBP|+0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 7£449 GBP
Retailer 3£554 GBP
Retailer 6£603 GBP
Retailer 1£675 GBP
Retailer 8£1,155 GBP
Retailer 4£1,348 GBP
Retailer 2£1,513 GBP
Retailer 5£1,779 GBP

11 data points across 8 retailers

9 retailers£449 GBP to £2,164 GBP

A
Cheapest Retailer
-
£449 GBP
HK$4,700 HKD
A
Retailer 2
-
£554 GBP
$742 USD
View
A
Retailer 3
-
£603 GBP
$808 USD
View
A
Retailer 4
-
£675 GBP
View
A
Retailer 5
-
£1,155 GBP
$1,548 USD
View
B+
Retailer 6
-
£1,348 GBP
$1,807 USD
View
B+
Retailer 7
-
£1,513 GBP
View
B+
Retailer 8
-
£1,779 GBP
$2,384 USD
View
Most Expensive
B
Rare Carat
MAD-MA-141665 · Nov 1
£2,164 GBP
$2,900 USD
View
8 more retailers have this diamond
Prices start from £449 GBPSave up to £1,715 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
£449 GBP