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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 $331 USD
As of November 2, 2026
Save $1,323 USD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,654 USD 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 $331 to $1,654, a $1,323 spread on the same certified stone. MOH London lists it at $1,654. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $1,654 USD|Low: $318 USD|High: $2,340 USD|Avg: $962 USD|-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$331 USD
Retailer 10$384 USD
Retailer 5$448 USD
Retailer 2$525 USD
Retailer 13$664 USD
Retailer 7$665 USD
Retailer 4$760 USD
Retailer 8$1,175 USD
Retailer 9$1,204 USD
Retailer 3$1,302 USD
Retailer 12$1,320 USD
Retailer 6$1,500 USD
MOH London$1,654 USD

34 data points across 13 retailers

13 retailers$331 USD to $1,654 USD

A
Cheapest Retailer
-
$331 USD
A
Retailer 2
-
$384 USD
View
A
Retailer 3
-
$448 USD
HK$3,500 HKD
View
A
Retailer 4
-
$525 USD
£414 GBP
View
A
Retailer 5
-
$664 USD
View
B+
Retailer 6
-
$665 USD
View
B+
Retailer 7
-
$760 USD
View
B+
Retailer 8
-
$1,175 USD
View
B
Retailer 9
-
$1,204 USD
View
B
Retailer 10
-
$1,302 USD
SGD 1,760 SGD
View
B
Retailer 11
-
$1,320 USD
View
B
Retailer 12
-
$1,500 USD
View
Most Expensive
B
MOH London
LG840637610 · Oct 29
$1,654 USD
£1,302 GBP
View
12 more retailers have this diamond
Prices start from $331 USDSave up to $1,323 USD

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
$331 USD