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Marquise|Lab Grown|IGI

1.00ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG514254137

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG514254137

Diamond specifications and retailer prices

From $722 USD
As of October 30, 2026
Save $2,586 USD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,308 USD at MOH London · As of October 29, 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 LG514254137 or 514254137. Listed at 15 retailers as of October 29, 2026, with prices from $722 to $3,308, a $2,586 spread on the same certified stone. MOH London lists it at $3,308. 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 angle32.9°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514254137
Dimensions10.80 × 5.16 × 2.95 mm
L/W Ratio2.09
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
10.80 mm5.16 mm1.00 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514254137
Side View
Table 56.5%Crown 32.9°Girdle: STK-VTKPavilion 36.1°Culet: NoneDepth 57.2%

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: Oct 30
Current: $3,308 USD|Low: $576 USD|High: $3,334 USD|Avg: $1,683 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
Retailer 15
Retailer 16
October 31, 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$3,308 USD

26 data points across 16 retailers

15 retailers$722 USD to $3,308 USD

A
Cheapest Retailer
-
$722 USD
B+
Retailer 2
-
$786 USD
View
B+
Retailer 3
-
$808 USD
View
Final sale: no returns
B+
Retailer 4
-
$838 USD
View
Retailer 5
-
$838 USD
View
Price last confirmed 14 days ago
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
LG514254137 · Oct 29
$3,308 USD
£2,605 GBP
View
14 more retailers have this diamond
Prices start from $722 USDSave up to $2,586 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