Marquise|Lab Grown|IGI

1.91ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG546217290

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG546217290

Diamond specifications and retailer prices

From $504 USD
As of October 23, 2026
17 retailers carry this diamond
Most expensive: $2,621 USD at MOH London · As of October 21, 2026
View at MOH London

About this 1.91ct lab-grown marquise diamond

This 1.91ct 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 LG546217290 or 546217290. Listed at 17 retailers as of October 21, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG546217290
Dimensions12.45 × 6.55 × 4.15 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.45 mm6.55 mm1.91 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG546217290
Side View
Table 60.0%Crown 34.3°Girdle: THN-STKPavilion 40.5°Culet: NoneDepth 63.4%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 23
Current: $2,621 USD|Low: $401 USD|High: $2,639 USD|Avg: $1,250 USD|-0.4%
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
Retailer 14
Retailer 15
October 24, 2026
Retailer 3$563 USD
Retailer 13$625 USD
Retailer 2$731 USD
Retailer 10$765 USD
Retailer 5$813 USD
Retailer 14$971 USD
Retailer 8$1,024 USD
Retailer 9$1,064 USD
Retailer 7$1,137 USD
Retailer 6$1,254 USD
Retailer 11$1,465 USD
Retailer 12$1,612 USD
Retailer 4$2,163 USD
Retailer 15$2,316 USD
MOH London$2,621 USD

17 data points across 15 retailers

17 retailers$504 USD to $2,621 USD

Retailer 1
-
$504 USD
Price last confirmed 9 days ago
Retailer 2
-
$504 USD
View
Price last confirmed 11 days ago
Retailer 3
-
$504 USD
View
Price last confirmed 24 days ago
Retailer 4
-
$625 USD
View
Price last confirmed 24 days ago
Retailer 5
-
$625 USD
View
Price last confirmed 16 days ago
Retailer 6
-
$625 USD
View
Price last confirmed 22 days ago
Retailer 7
-
$971 USD
View
Price last confirmed 9 days ago
Retailer 8
-
$1,024 USD
£806 GBP
View
Price last confirmed 8 days ago
Retailer 9
-
$1,064 USD
ZAR 17,188 ZAR
View
Price last confirmed 9 days ago
Retailer 10
-
$1,465 USD
A$2,254 AUD
View
Price last confirmed 12 days ago
Retailer 11
-
$1,612 USD
View
Price last confirmed 9 days ago
Retailer 12
-
$1,643 USD
View
Price last confirmed 16 days ago
Retailer 13
-
$1,643 USD
View
Price last confirmed 25 days ago
Retailer 14
-
$2,034 USD
View
Price last confirmed 8 days ago
Retailer 15
-
$2,163 USD
View
Price last confirmed 9 days ago
Retailer 16
-
$2,316 USD
View
Price last confirmed 8 days ago
Most Expensive
MOH London
LG546217290 · Oct 21
$2,621 USD
£2,064 GBP
View
Price last confirmed 11 days ago
16 more retailers have this diamond

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.

1.91ct Marquise
$504 USD