Marquise|Lab Grown|IGI

1.21ct D VS1 Marquise Lab Grown Diamond

VG • D/VS1 • IGI LG806603879

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG806603879

Diamond specifications and retailer prices

From €190 EUR
$213 USD
As of November 1, 2026
Save €1,395 EUR (88%) 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 very-good cut grade and certified by IGI LG806603879 or 806603879. Listed at 22 retailers as of October 27, 2026, with prices from €190 to €1,585, a €1,395 spread on the same certified stone. Queensmith lists it at €1,585. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
D
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806603879
Dimensions10.74 × 5.42 × 3.55 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.74 mm5.42 mm1.21 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806603879
Side View
Table 58.0%Crown 36.5°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 65.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €515 EUR|Low: €190 EUR|High: €1,039 EUR|Avg: €576 EUR|+0.6%
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
November 2, 2026
Retailer 12€190 EUR
Retailer 9€365 EUR
Retailer 3€370 EUR
Retailer 8€381 EUR
Retailer 14€394 EUR
Retailer 7€412 EUR
Retailer 4€431 EUR
Retailer 1€515 EUR
Retailer 15€660 EUR
Retailer 2€681 EUR
Retailer 13€708 EUR
Retailer 5€727 EUR
Retailer 11€963 EUR
Retailer 10€987 EUR
Retailer 6€1,039 EUR

43 data points across 15 retailers

22 retailers€190 EUR to €1,585 EUR

Retailer 1
-
€170 EUR
$191 USD
Price last confirmed 25 days ago
A
Retailer 2
-
€190 EUR
$213 USD
View
Final sale: no returns
Retailer 3
-
€198 EUR
$222 USD
View
Price last confirmed 34 days ago
Retailer 4
-
€209 EUR
$234 USD
View
Price last confirmed 38 days ago
Retailer 5
-
€211 EUR
$237 USD
View
Price last confirmed 30 days ago
Retailer 6
-
€211 EUR
$237 USD
View
Price last confirmed 21 days ago
A
Retailer 7
-
€365 EUR
ZAR 6,608 ZAR
View
A
Retailer 8
-
€370 EUR
$415 USD
View
A
Retailer 9
-
€381 EUR
£337 GBP
View
A
Retailer 10
-
€394 EUR
View
A
Retailer 11
-
€412 EUR
$462 USD
View
B+
Retailer 12
-
€431 EUR
$483 USD
View
B+
Retailer 13
-
€515 EUR
A$889 AUD
View
B+
Retailer 14
-
€660 EUR
$740 USD
View
Retailer 15
-
€679 EUR
$762 USD
View
Price last confirmed 33 days ago
B
Retailer 16
-
€681 EUR
$764 USD
View
B
Retailer 17
-
€708 EUR
A$1,221 AUD
View
B
Retailer 18
-
€727 EUR
$815 USD
View
B
Retailer 19
-
€963 EUR
$1,080 USD
View
B
Retailer 20
-
€987 EUR
£872 GBP
View
B
Retailer 21
-
€1,039 EUR
$1,165 USD
View
Most Expensive
B
Queensmith
LG806603879 · Oct 27
€1,585 EUR
£1,400 GBP
View
21 more retailers have this diamond
Prices start from €190 EURSave up to €1,395 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
€190 EUR