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Marquise|Lab Grown|IGI

1.00ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG500146065

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG500146065

Diamond specifications and retailer prices

From $722 USD
As of October 30, 2026
Save $2,569 USD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,291 USD at MOH London · As of November 1, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG500146065 or 500146065. Listed at 15 retailers as of October 30, 2026, with prices from $722 to $3,291, a $2,569 spread on the same certified stone. MOH London lists it at $3,291. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500146065
Dimensions10.53 × 5.08 × 3.18 mm
L/W Ratio2.07
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
10.53 mm5.08 mm1.00 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500146065
Side View
Table 61.5%Crown 34.4°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 62.6%

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 30
Current: $3,291 USD|Low: $693 USD|High: $3,334 USD|Avg: $1,686 USD
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
Retailer 16
November 1, 2026
Retailer 12$722 USD
Retailer 3$786 USD
Retailer 4$808 USD
Retailer 14$838 USD
Retailer 13$960 USD
Retailer 10$1,015 USD
Retailer 7$1,316 USD
Retailer 16$1,359 USD
Retailer 9$1,540 USD
Retailer 11$2,064 USD
Retailer 2$2,183 USD
Retailer 15$2,356 USD
Retailer 8$2,399 USD
Retailer 5$2,606 USD
Retailer 6$2,623 USD
MOH London$3,291 USD

23 data points across 16 retailers

15 retailers$722 USD to $3,291 USD

A
Cheapest Retailer
-
$722 USD
B+
Retailer 2
-
$786 USD
View
B+
Retailer 3
-
$808 USD
View
Final sale: no returns
Retailer 4
-
$838 USD
View
Price last confirmed 16 days ago
B+
Retailer 5
-
$838 USD
View
B+
Retailer 6
-
$960 USD
View
B+
Retailer 7
-
$1,015 USD
View
B
Retailer 8
-
$1,359 USD
View
B
Retailer 9
-
$1,540 USD
ZAR 24,881 ZAR
View
B
Retailer 10
-
$2,064 USD
View
B
Retailer 11
-
$2,183 USD
A$3,359 AUD
View
B
Retailer 12
-
$2,356 USD
View
B
Retailer 13
-
$2,606 USD
£2,052 GBP
View
B
Retailer 14
-
$2,623 USD
View
Most Expensive
B
MOH London
LG500146065 · Nov 1
$3,291 USD
£2,591 GBP
View
14 more retailers have this diamond
Prices start from $722 USDSave up to $2,569 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
$722 USD