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Marquise|Lab Grown|IGI

1.00ct G VS2 Marquise Lab Grown Diamond

ID • G/VS2 • IGI LG512220532

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG512220532

Diamond specifications and retailer prices

From $753 USD
As of November 2, 2026
Save $660 USD (47%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,713 USD at Flawless Fine Jewelry · As of November 3, 2026
View at Flawless Fine Jewelry

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512220532 or 512220532. Listed at 12 retailers as of November 1, 2026, with a 88% 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512220532
Dimensions10.42 × 5.25 × 3.19 mm
L/W Ratio1.98
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
10.42 mm5.25 mm1.00 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512220532
Side View
Table 60.5%Crown 33.7°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,713 USD|Low: $722 USD|High: $3,473 USD|Avg: $1,614 USD
Flawless Fine Jewelry
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 7$753 USD
Retailer 3$819 USD
Retailer 9$873 USD
Retailer 8$920 USD
Retailer 6$1,050 USD
Retailer 2$1,323 USD
Retailer 11$1,413 USD
Retailer 5$2,076 USD
Retailer 10$2,454 USD
Flawless Fine Jewelry$2,713 USD
Retailer 4$3,432 USD

42 data points across 11 retailers

12 retailers$753 USD to $1,413 USD

B+
Cheapest Retailer
-
$753 USD
B
Retailer 2
-
$819 USD
View
Retailer 3
-
$873 USD
View
Price last confirmed 18 days ago
B
Retailer 4
-
$873 USD
View
B
Retailer 5
-
$920 USD
View
B
Retailer 6
-
$1,050 USD
View
B
Retailer 7
-
$1,323 USD
View
B
Retailer 8
-
$1,413 USD
View
Retailer 9
-
$2,076 USD
View
Price under review
Retailer 10
-
$2,454 USD
View
Price under review
Most Expensive
Flawless Fine Jewelry
2C3DE33C5 · Nov 3
$2,713 USD
£2,136 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $753 USDSave up to $660 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
$753 USD