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Marquise|Lab Grown|IGI

1.00ct H VS1 Marquise Lab Grown Diamond

ID • H/VS1 • IGI LG603343098

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG603343098

Diamond specifications and retailer prices

From $232 USD
As of November 2, 2026
Save $928 USD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,160 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 LG603343098 or 603343098. Listed at 13 retailers as of October 29, 2026, with prices from $232 to $1,160, a $928 spread on the same certified stone. MOH London lists it at $1,160. 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 angle32.7°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603343098
Dimensions11.02 × 5.21 × 3.01 mm
L/W Ratio2.12
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
11.02 mm5.21 mm1.00 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG603343098
Side View
Table 64.0%Crown 32.7°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 57.8%

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 2
Current: $1,160 USD|Low: $223 USD|High: $1,167 USD|Avg: $634 USD|+2.7%
MOH London
Retailer 2
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Retailer 8
Retailer 9
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Retailer 11
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Retailer 16
November 1, 2026
Retailer 11$232 USD
Retailer 16$269 USD
Retailer 3$288 USD
Retailer 13$288 USD
Retailer 15$488 USD
Retailer 2$497 USD
Retailer 7$499 USD
Retailer 4$519 USD
Retailer 12$630 USD
Retailer 9$702 USD
Retailer 6$750 USD
Retailer 8$755 USD
Retailer 14$925 USD
Retailer 10$929 USD
Retailer 5$1,097 USD
MOH London$1,160 USD

25 data points across 16 retailers

13 retailers$232 USD to $1,160 USD

A
Cheapest Retailer
-
$232 USD
A
Retailer 2
-
$269 USD
View
Retailer 3
-
$288 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$288 USD
View
A
Retailer 5
-
$488 USD
View
A
Retailer 6
-
$497 USD
ZAR 8,031 ZAR
View
A
Retailer 7
-
$499 USD
HK$3,900 HKD
View
A
Retailer 8
-
$519 USD
View
A
Retailer 9
-
$630 USD
View
A
Retailer 10
-
$702 USD
A$1,080 AUD
View
B+
Retailer 11
-
$925 USD
View
B
Retailer 12
-
$929 USD
View
Most Expensive
B+
MOH London
LG603343098 · Oct 29
$1,160 USD
£913 GBP
View
12 more retailers have this diamond
Prices start from $232 USDSave up to $928 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
$232 USD