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Marquise|Lab Grown|IGI

1.03ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG508138564

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG508138564

Diamond specifications and retailer prices

From $868 USD
As of November 2, 2026
Save $982 USD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,774 USD at Flawless Fine Jewelry · As of November 2, 2026
View at Flawless Fine Jewelry

About this 1.03ct lab-grown marquise diamond

This 1.03ct 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 LG508138564 or 508138564. Listed at 16 retailers as of October 29, 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

1.03
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508138564
Dimensions10.71 × 5.24 × 3.08 mm
L/W Ratio2.04
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
10.71 mm5.24 mm1.03 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508138564
Side View
Table 62.5%Crown 35.9°Girdle: THN-STKPavilion 38.3°Culet: NoneDepth 58.8%

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 2
Current: $2,774 USD|Low: $833 USD|High: $3,823 USD|Avg: $1,771 USD
Flawless Fine Jewelry
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
November 2, 2026
Retailer 11$868 USD
Retailer 4$944 USD
Retailer 5$972 USD
Retailer 12$990 USD
Retailer 13$1,006 USD
Retailer 6$1,180 USD
Retailer 2$1,548 USD
Retailer 14$1,617 USD
Retailer 9$1,850 USD
Retailer 10$2,313 USD
Retailer 7$2,622 USD
Flawless Fine Jewelry$2,774 USD
Retailer 3$2,829 USD
Retailer 8$3,792 USD

45 data points across 14 retailers

16 retailers$868 USD to $1,850 USD

B
Cheapest Retailer
-
$868 USD
B
Retailer 2
-
$944 USD
View
B
Retailer 3
-
$972 USD
View
Final sale: no returns
B
Retailer 4
-
$990 USD
View
Retailer 5
-
$1,006 USD
View
Price last confirmed 15 days ago
B
Retailer 6
-
$1,006 USD
View
B
Retailer 7
-
$1,180 USD
View
B
Retailer 8
-
$1,548 USD
£1,219 GBP
View
B
Retailer 9
-
$1,617 USD
View
B
Retailer 10
-
$1,850 USD
ZAR 29,883 ZAR
View
Retailer 11
-
$2,313 USD
View
Price under review
Retailer 12
-
$2,622 USD
A$4,034 AUD
View
Price under review
Most Expensive
Flawless Fine Jewelry
23B5F36DB · Nov 2
$2,774 USD
£2,184 GBP
View
Price under review
12 more retailers have this diamond
Prices start from $868 USDSave up to $982 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
1.03ct Marquise
$868 USD