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Marquise|Lab Grown|IGI

1.21ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG809686335

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG809686335

Diamond specifications and retailer prices

From €177 EUR
$198 USD
As of November 2, 2026
Save €1,409 EUR (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,585 EUR at Queensmith · As of October 27, 2026
View at Queensmith

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 LG809686335 or 809686335. Listed at 22 retailers as of October 27, 2026, with prices from €177 to €1,585, a €1,409 spread on the same certified stone. Queensmith lists it at €1,585. 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 angle31.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809686335
Dimensions11.12 × 5.49 × 3.29 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.12 mm5.49 mm1.21 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809686335
Side View
Table 58.0%Crown 31.9°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 59.9%

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: €400 EUR|Low: €171 EUR|High: €1,095 EUR|Avg: €488 EUR|+8.0%
Retailer 1
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
Retailer 15
Retailer 16
November 2, 2026
Retailer 6€177 EUR
Retailer 15€197 EUR
Retailer 2€218 EUR
Retailer 13€218 EUR
Retailer 5€296 EUR
Retailer 9€378 EUR
Retailer 12€383 EUR
Retailer 1€400 EUR
Retailer 8€415 EUR
Retailer 3€437 EUR
Retailer 11€535 EUR
Retailer 14€664 EUR
Retailer 16€706 EUR
Retailer 7€751 EUR
Retailer 10€1,028 EUR
Retailer 4€1,058 EUR

42 data points across 16 retailers

22 retailers€177 EUR to €1,585 EUR

Retailer 1
-
€171 EUR
$192 USD
Price last confirmed 34 days ago
Retailer 2
-
€177 EUR
$198 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
€177 EUR
$198 USD
View
A
Retailer 4
-
€197 EUR
$221 USD
View
Final sale: no returns
Retailer 5
-
€199 EUR
$223 USD
View
Price last confirmed 35 days ago
Retailer 6
-
€210 EUR
$236 USD
View
Price last confirmed 35 days ago
Retailer 7
-
€218 EUR
$245 USD
View
Price last confirmed 14 days ago
Retailer 8
-
€218 EUR
$245 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
€296 EUR
$332 USD
View
A
Retailer 10
-
€378 EUR
ZAR 6,844 ZAR
View
A
Retailer 11
-
€383 EUR
View
A
Retailer 12
-
€400 EUR
£354 GBP
View
A
Retailer 13
-
€415 EUR
$465 USD
View
A
Retailer 14
-
€437 EUR
$490 USD
View
B+
Retailer 15
-
€535 EUR
A$923 AUD
View
B+
Retailer 16
-
€664 EUR
$745 USD
View
Retailer 17
-
€684 EUR
$767 USD
View
Price last confirmed 33 days ago
B
Retailer 18
-
€706 EUR
$792 USD
View
B
Retailer 19
-
€751 EUR
$842 USD
View
B
Retailer 20
-
€1,028 EUR
£908 GBP
View
B
Retailer 21
-
€1,058 EUR
$1,187 USD
View
Most Expensive
B
Queensmith
LG809686335 · Oct 27
€1,585 EUR
£1,400 GBP
View
21 more retailers have this diamond
Prices start from €177 EURSave up to €1,409 EUR

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
€177 EUR