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Marquise|Lab Grown|IGI

1.00ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG603343198

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG603343198

Diamond specifications and retailer prices

From $202 USD
As of November 4, 2026
Save $997 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,199 USD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

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 LG603343198 or 603343198. Listed at 18 retailers as of November 4, 2026, with prices from $202 to $1,199, a $997 spread on the same certified stone. Reve Diamonds lists it at $1,199. 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 angle35.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG603343198
Dimensions10.26 × 5.15 × 3.25 mm
L/W Ratio1.99
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
10.26 mm5.15 mm1.00 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG603343198
Side View
Table 56.0%Crown 35.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.1%

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 4
Current: $454 USD|Low: $202 USD|High: $1,199 USD|Avg: $624 USD|+8.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 4, 2026
Retailer 9$202 USD
Retailer 4$225 USD
Retailer 12$329 USD
Retailer 6$431 USD
Retailer 11$433 USD
Retailer 1$454 USD
Retailer 2$486 USD
Retailer 5$609 USD
Retailer 8$807 USD
Retailer 3$857 USD
Retailer 10$950 USD
Retailer 7$1,169 USD
Reve Diamonds$1,199 USD

41 data points across 13 retailers

18 retailers$202 USD to $1,199 USD

A
Cheapest Retailer
-
$202 USD
A
Retailer 2
-
$225 USD
View
Final sale: no returns
A
Retailer 3
-
$234 USD
View
Retailer 4
-
$250 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$250 USD
View
A
Retailer 6
-
$329 USD
View
A
Retailer 7
-
$431 USD
View
B+
Retailer 8
-
$433 USD
View
B+
Retailer 9
-
$454 USD
View
B+
Retailer 10
-
$486 USD
View
B+
Retailer 11
-
$524 USD
View
B+
Retailer 12
-
$609 USD
View
B
Retailer 13
-
$804 USD
View
B
Retailer 14
-
$807 USD
View
B
Retailer 15
-
$857 USD
View
B
Retailer 16
-
$950 USD
View
B
Retailer 17
-
$1,169 USD
View
Most Expensive
B
Reve Diamonds
51AA2D642 · Nov 4
$1,199 USD
View
17 more retailers have this diamond
Prices start from $202 USDSave up to $997 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
$202 USD