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Marquise|Lab Grown|IGI

1.05ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG500166091

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG500166091

Diamond specifications and retailer prices

From $884 USD
As of October 30, 2026
Save $1,001 USD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,835 USD at Flawless Fine Jewelry · As of October 31, 2026
View at Flawless Fine Jewelry

About this 1.05ct lab-grown marquise diamond

This 1.05ct 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 LG500166091 or 500166091. Listed at 17 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

1.05
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500166091
Dimensions10.32 × 5.37 × 3.32 mm
L/W Ratio1.92
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
10.32 mm5.37 mm1.05 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500166091
Side View
Table 60.0%Crown 33.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.8%

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: Oct 30
Current: $2,672 USD|Low: $848 USD|High: $3,894 USD|Avg: $1,712 USD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 12$884 USD
Retailer 4$962 USD
Retailer 6$990 USD
Retailer 13$1,010 USD
Retailer 5$1,025 USD
Retailer 14$1,025 USD
Retailer 8$1,346 USD
Retailer 7$1,577 USD
Retailer 2$1,646 USD
Retailer 10$1,885 USD
Retailer 11$2,281 USD
Retailer 1$2,672 USD
Retailer 3$2,882 USD
Retailer 9$3,863 USD

43 data points across 14 retailers

17 retailers$884 USD to $1,885 USD

B
Cheapest Retailer
-
$884 USD
B
Retailer 2
-
$962 USD
View
B
Retailer 3
-
$990 USD
View
Final sale: no returns
B
Retailer 4
-
$1,010 USD
View
Retailer 5
-
$1,025 USD
View
Price last confirmed 16 days ago
B
Retailer 6
-
$1,025 USD
View
B
Retailer 7
-
$1,200 USD
View
B
Retailer 8
-
$1,346 USD
£1,060 GBP
View
B
Retailer 9
-
$1,577 USD
£1,242 GBP
View
B
Retailer 10
-
$1,646 USD
View
B
Retailer 11
-
$1,885 USD
ZAR 30,445 ZAR
View
Retailer 12
-
$2,281 USD
View
Price under review
Retailer 13
-
$2,672 USD
A$4,110 AUD
View
Price under review
Most Expensive
Flawless Fine Jewelry
59B0E1F24 · Oct 31
$2,835 USD
£2,232 GBP
View
Price under review
13 more retailers have this diamond
Prices start from $884 USDSave up to $1,001 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
1.05ct Marquise
$884 USD