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Marquise|Lab Grown|IGI

1.21ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG809623814

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG809623814

Diamond specifications and retailer prices

From $228 USD
As of November 4, 2026
Save $1,732 USD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,960 USD at Do Amore Diamonds · As of November 4, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG809623814 or 809623814. Listed at 19 retailers as of November 4, 2026, with prices from $228 to $1,960, a $1,732 spread on the same certified stone. Do Amore Diamonds lists it at $1,960. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809623814
Dimensions10.91 × 5.60 × 3.49 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.91 mm5.60 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809623814
Side View
Table 59.0%Crown 34.5°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 62.3%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $1,960 USD|Low: $198 USD|High: $1,980 USD|Avg: $704 USD|-1.0%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
November 4, 2026
Retailer 5$204 USD
Retailer 17$228 USD
Retailer 9$239 USD
Retailer 4$253 USD
Retailer 16$341 USD
Retailer 8$363 USD
Retailer 11$482 USD
Retailer 2$515 USD
Retailer 10$683 USD
Retailer 7$740 USD
Retailer 13$815 USD
Retailer 14$816 USD
Retailer 3$898 USD
Retailer 6$1,069 USD
Retailer 12$1,125 USD
Retailer 15$1,206 USD
Do Amore Diamonds$1,960 USD

40 data points across 17 retailers

19 retailers$228 USD to $1,960 USD

Retailer 1
-
$204 USD
Price last confirmed 14 days ago
A
Retailer 2
-
$228 USD
View
Final sale: no returns
Retailer 3
-
$239 USD
View
Price last confirmed 14 days ago
Retailer 4
-
$253 USD
View
Price last confirmed 13 days ago
Retailer 5
-
$255 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$341 USD
View
A
Retailer 7
-
$363 USD
View
A
Retailer 8
-
$482 USD
View
A
Retailer 9
-
$515 USD
View
B+
Retailer 10
-
$683 USD
View
Retailer 11
-
$740 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$815 USD
View
B
Retailer 13
-
$816 USD
View
Retailer 14
-
$898 USD
View
Price last confirmed 13 days ago
B
Retailer 15
-
$1,069 USD
View
B
Retailer 16
-
$1,125 USD
View
B
Retailer 17
-
$1,206 USD
View
B
Retailer 18
-
$1,570 USD
View
Most Expensive
B
Do Amore Diamonds
27-689D132BA · Nov 4
$1,960 USD
View
18 more retailers have this diamond
Prices start from $228 USDSave up to $1,732 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
$228 USD