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Marquise|Lab Grown|IGI

1.00ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG502157877

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG502157877

Diamond specifications and retailer prices

From $843 USD
As of November 4, 2026
Save $953 USD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,750 USD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

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 LG502157877 or 502157877. Listed at 17 retailers as of November 2, 2026, with a 113% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.6°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG502157877
Dimensions10.40 × 5.27 × 3.01 mm
L/W Ratio1.97
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
10.40 mm5.27 mm1.00 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG502157877
Side View
Table 60.5%Crown 35.6°Girdle: MED-THKPavilion 36°Culet: NoneDepth 57.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,750 USD|Low: $809 USD|High: $3,714 USD|Avg: $1,695 USD
NZ Jewellers
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 5, 2026
Retailer 14$843 USD
Retailer 4$917 USD
Retailer 6$944 USD
Retailer 15$960 USD
Retailer 5$978 USD
Retailer 16$978 USD
Retailer 8$1,155 USD
Retailer 9$1,277 USD
Retailer 2$1,488 USD
Retailer 3$1,573 USD
Retailer 10$1,796 USD
Retailer 13$2,248 USD
Retailer 12$2,548 USD
Retailer 7$2,697 USD
NZ Jewellers$2,750 USD
Retailer 11$3,665 USD

45 data points across 16 retailers

17 retailers$843 USD to $1,796 USD

B
Cheapest Retailer
-
$843 USD
B
Retailer 2
-
$917 USD
View
B
Retailer 3
-
$944 USD
View
Final sale: no returns
B
Retailer 4
-
$960 USD
View
Retailer 5
-
$978 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
$978 USD
View
B
Retailer 7
-
$1,155 USD
View
B
Retailer 8
-
$1,277 USD
View
B
Retailer 9
-
$1,488 USD
View
B
Retailer 10
-
$1,573 USD
View
B
Retailer 11
-
$1,796 USD
View
Retailer 12
-
$2,248 USD
View
Price under review
Retailer 13
-
$2,548 USD
View
Price under review
Retailer 14
-
$2,697 USD
View
Price under review
Most Expensive
NZ Jewellers
8020da1c-947d-4747-935a-04e753e8d29f · Nov 4
$2,750 USD
View
Price under review
14 more retailers have this diamond
Prices start from $843 USDSave up to $953 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.

B
1.00ct Marquise
$843 USD