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Marquise|Lab Grown|IGI

1.01ct I VS1 Marquise Lab Grown Diamond

ID • I/VS1 • IGI LG514252456

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG514252456

Diamond specifications and retailer prices

From $590 USD
As of October 31, 2026
Save $3,971 USD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,561 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG514252456 or 514252456. Listed at 13 retailers as of October 29, 2026, with prices from $590 to $4,561, a $3,971 spread on the same certified stone. MOH London lists it at $4,561. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40.6°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514252456
Dimensions10.21 × 5.36 × 3.06 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
10.21 mm5.36 mm1.01 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG514252456
Side View
Table 57.0%Crown 40.6°Girdle: MED-STKPavilion 33.1°Culet: NoneDepth 57.1%

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: Oct 31
Current: $4,561 USD|Low: $590 USD|High: $4,596 USD|Avg: $2,297 USD|+0.5%
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
October 30, 2026
Retailer 2$590 USD
Retailer 8$1,217 USD
Retailer 12$1,324 USD
Retailer 13$1,362 USD
Retailer 9$1,412 USD
Retailer 4$1,585 USD
Retailer 5$1,974 USD
Retailer 10$2,239 USD
Retailer 7$2,595 USD
Retailer 11$2,646 USD
Retailer 3$2,705 USD
Retailer 14$3,414 USD
Retailer 6$4,042 USD
MOH London$4,561 USD

23 data points across 14 retailers

13 retailers$590 USD to $4,561 USD

A
Cheapest Retailer
-
$590 USD
B
Retailer 2
-
$1,217 USD
View
B
Retailer 3
-
$1,324 USD
View
B
Retailer 4
-
$1,362 USD
View
Final sale: no returns
Retailer 5
-
$1,412 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
$1,412 USD
View
B
Retailer 7
-
$1,585 USD
View
B
Retailer 8
-
$2,239 USD
View
B
Retailer 9
-
$2,595 USD
ZAR 41,925 ZAR
View
B
Retailer 10
-
$2,646 USD
View
B
Retailer 11
-
$2,705 USD
View
B
Retailer 12
-
$3,414 USD
£2,688 GBP
View
Most Expensive
B
MOH London
LG514252456 · Oct 29
$4,561 USD
£3,591 GBP
View
12 more retailers have this diamond
Prices start from $590 USDSave up to $3,971 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
1.01ct Marquise
$590 USD