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Marquise|Lab Grown|IGI

1.21ct D VS2 Marquise Lab Grown Diamond

EX • D/VS2 • IGI LG689542925

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG689542925

Diamond specifications and retailer prices

From $434 USD
As of November 1, 2026
1 retailer carries this diamond
Only listing: $434 USD at Loose Grown Diamond
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Loose Grown Diamond

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG689542925 or 689542925. Listed at a single retailer as of November 1, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689542925
Dimensions10.61 × 5.61 × 3.55 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.61 mm5.61 mm1.21 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689542925
Side View
Table 61.0%Crown 36.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: $434 USD|Low: $186 USD|High: $2,290 USD|Avg: $979 USD|-12.0%
Loose Grown Diamond
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
September 23, 2026
Retailer 8$196 USD
Loose Grown Diamond$434 USD
Retailer 6$480 USD
Retailer 5$570 USD
Retailer 2$634 USD
Retailer 12$768 USD
Retailer 7$915 USD
Retailer 4$935 USD
Retailer 11$1,120 USD
Retailer 10$1,301 USD
Retailer 3$1,433 USD
Retailer 9$2,290 USD

25 data points across 12 retailers

1 retailer

B+
Loose Grown Diamond
689542925 · Nov 1
$434 USD
View

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+
1.21ct Marquise
$434 USD