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Marquise|Lab Grown|IGI

1.00ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG837645791

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837645791

Diamond specifications and retailer prices

From $192 USD
As of November 1, 2026
Save $708 USD (79%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $900 USD at MOH London · As of November 2, 2026
View at MOH London

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837645791 or 837645791. Listed at 20 retailers as of November 1, 2026, with prices from $192 to $900, a $708 spread on the same certified stone. MOH London lists it at $900. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837645791
Dimensions10.84 × 5.10 × 3.10 mm
L/W Ratio2.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.84 mm5.10 mm1.00 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837645791
Side View
Table 62.0%Crown 34.1°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 60.8%

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 1
Current: $900 USD|Low: $192 USD|High: $911 USD|Avg: $448 USD|-1.1%
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
November 2, 2026
Retailer 13$192 USD
Retailer 2$236 USD
Retailer 14$313 USD
Retailer 9$332 USD
Retailer 7$334 USD
Retailer 12$335 USD
Retailer 3$351 USD
Retailer 11$366 USD
Retailer 8$469 USD
Retailer 5$528 USD
Retailer 4$608 USD
Retailer 10$654 USD
Retailer 6$674 USD
MOH London$900 USD

35 data points across 14 retailers

20 retailers$192 USD to $900 USD

Retailer 1
-
$155 USD
Price last confirmed 33 days ago
Retailer 2
-
$180 USD
View
Price last confirmed 34 days ago
Retailer 3
-
$190 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$192 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$192 USD
View
A
Retailer 6
-
$236 USD
£186 GBP
View
A
Retailer 7
-
$313 USD
View
A
Retailer 8
-
$332 USD
ZAR 5,367 ZAR
View
A
Retailer 9
-
$334 USD
£263 GBP
View
A
Retailer 10
-
$335 USD
€319 EUR
View
A
Retailer 11
-
$351 USD
View
A
Retailer 12
-
$366 USD
£288 GBP
View
B+
Retailer 13
-
$469 USD
A$722 AUD
View
B+
Retailer 14
-
$528 USD
SGD 713 SGD
View
Retailer 15
-
$619 USD
View
Price last confirmed 33 days ago
B+
Retailer 16
-
$619 USD
View
B+
Retailer 17
-
$620 USD
View
B+
Retailer 18
-
$654 USD
View
B
Retailer 19
-
$674 USD
View
Most Expensive
B
MOH London
LG837645791 · Nov 2
$900 USD
£709 GBP
View
19 more retailers have this diamond
Prices start from $192 USDSave up to $708 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
1.00ct Marquise
$192 USD