Marquise|Lab Grown|IGI

1.21ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG825605300

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825605300

Diamond specifications and retailer prices

From $349 USD
£275 GBP
As of November 2, 2026
Save $1,481 USD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,830 USD at Do Amore Diamonds · As of November 2, 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 LG825605300 or 825605300. Listed at 15 retailers as of November 2, 2026, with prices from $349 to $1,830, a $1,481 spread on the same certified stone. Do Amore Diamonds lists it at $1,830. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825605300
Dimensions10.77 × 5.56 × 3.58 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
10.77 mm5.56 mm1.21 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825605300
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 64.4%

Caratlytics Score

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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 2
Current: $1,830 USD|Low: $242 USD|High: $1,830 USD|Avg: $665 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
Retailer 13
Retailer 14
November 2, 2026
Retailer 4$244 USD
Retailer 7$349 USD
Retailer 13$358 USD
Retailer 12$369 USD
Retailer 11$415 USD
Retailer 2$639 USD
Retailer 10$710 USD
Retailer 3$740 USD
Retailer 9$764 USD
Retailer 5$808 USD
Retailer 6$866 USD
Retailer 8$1,048 USD
Retailer 14$1,052 USD
Do Amore Diamonds$1,830 USD

34 data points across 14 retailers

15 retailers$349 USD to $1,830 USD

Retailer 1
-
$211 USD
Price last confirmed 14 days ago
Retailer 2
-
$244 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$349 USD
£275 GBP
View
A
Retailer 4
-
$358 USD
HK$2,800 HKD
View
A
Retailer 5
-
$369 USD
View
A
Retailer 6
-
$415 USD
View
Retailer 7
-
$639 USD
A$983 AUD
View
B+
Retailer 8
-
$710 USD
View
Retailer 9
-
$740 USD
View
Price last confirmed 12 days ago
B+
Retailer 10
-
$764 USD
View
Retailer 11
-
$808 USD
A$1,243 AUD
View
Price last confirmed 24 days ago
Retailer 12
-
$840 USD
View
Price last confirmed 13 days ago
B
Retailer 13
-
$1,048 USD
£825 GBP
View
B
Retailer 14
-
$1,052 USD
SGD 1,422 SGD
View
Most Expensive
B
Do Amore Diamonds
27-9B054F409 · Nov 2
$1,830 USD
View
14 more retailers have this diamond
Prices start from $349 USDSave up to $1,481 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
$349 USD