CaratHunter
Plans
Marquise|Lab Grown|IGI

1.93ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG840637610

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840637610

Diamond specifications and retailer prices

From £247 GBP
$331 USD
As of November 2, 2026
Save £986 GBP (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,232 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.93ct lab-grown marquise diamond

This 1.93ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG840637610 or 840637610. Listed at 13 retailers as of October 29, 2026, with prices from £247 to £1,232, a £986 spread on the same certified stone. MOH London lists it at £1,232. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.93
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840637610
Dimensions13.01 × 6.59 × 3.98 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.01 mm6.59 mm1.93 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840637610
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 60.4%

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 2
Current: £1,232 GBP|Low: £237 GBP|High: £1,744 GBP|Avg: £717 GBP|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 11£247 GBP
Retailer 10£286 GBP
Retailer 5£334 GBP
Retailer 2£392 GBP
Retailer 13£495 GBP
Retailer 7£496 GBP
Retailer 4£566 GBP
Retailer 8£876 GBP
Retailer 9£897 GBP
Retailer 3£971 GBP
Retailer 12£984 GBP
Retailer 6£1,118 GBP
MOH London£1,232 GBP

34 data points across 13 retailers

13 retailers£247 GBP to £1,232 GBP

A
Cheapest Retailer
-
£247 GBP
$331 USD
A
Retailer 2
-
£286 GBP
$384 USD
View
A
Retailer 3
-
£334 GBP
HK$3,500 HKD
View
A
Retailer 4
-
£392 GBP
View
A
Retailer 5
-
£495 GBP
$664 USD
View
B+
Retailer 6
-
£496 GBP
$665 USD
View
B+
Retailer 7
-
£566 GBP
$760 USD
View
B+
Retailer 8
-
£876 GBP
$1,175 USD
View
B
Retailer 9
-
£897 GBP
$1,204 USD
View
B
Retailer 10
-
£971 GBP
SGD 1,760 SGD
View
B
Retailer 11
-
£984 GBP
$1,320 USD
View
B
Retailer 12
-
£1,118 GBP
$1,500 USD
View
Most Expensive
B
MOH London
LG840637610 · Oct 29
£1,232 GBP
View
12 more retailers have this diamond
Prices start from £247 GBPSave up to £986 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
1.93ct Marquise
£247 GBP