Marquise|Lab Grown|IGI

1.21ct F VS1 Marquise Lab Grown Diamond

EX • F/VS1 • IGI LG836665908

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836665908

Diamond specifications and retailer prices

From $226 USD
As of November 6, 2026
Save $1,944 USD (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,170 USD at Do Amore Diamonds · As of November 6, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown marquise diamond

This 1.21ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG836665908 or 836665908. Listed at 11 retailers as of November 6, 2026, with prices from $226 to $2,170, a $1,944 spread on the same certified stone. Do Amore Diamonds lists it at $2,170. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836665908
Dimensions11.03 × 5.68 × 3.49 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.03 mm5.68 mm1.21 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836665908
Side View
Table 59.0%Crown 33.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $2,170 USD|Low: $226 USD|High: $2,170 USD|Avg: $689 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 8$226 USD
Retailer 9$262 USD
Retailer 3$280 USD
Retailer 5$348 USD
Retailer 10$368 USD
Retailer 11$477 USD
Retailer 4$560 USD
Retailer 2$582 USD
Retailer 7$994 USD
Retailer 12$1,065 USD
Retailer 6$1,165 USD
Do Amore Diamonds$2,170 USD

4 data points across 12 retailers

11 retailers$226 USD to $2,170 USD

A
Cheapest Retailer
-
$226 USD
A
Retailer 2
-
$262 USD
View
A
Retailer 3
-
$280 USD
View
A
Retailer 4
-
$348 USD
View
A
Retailer 5
-
$368 USD
View
A
Retailer 6
-
$477 USD
View
B+
Retailer 7
-
$582 USD
View
B
Retailer 8
-
$994 USD
View
B
Retailer 9
-
$1,065 USD
View
B
Retailer 10
-
$1,165 USD
View
Most Expensive
B
Do Amore Diamonds
27-194CB7F2B · Nov 6
$2,170 USD
View
10 more retailers have this diamond
Prices start from $226 USDSave up to $1,944 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
1.21ct Marquise
$226 USD