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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 €191 EUR
$213 USD
As of November 1, 2026
Save €1,401 EUR (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,591 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 €191 to €1,591, a €1,401 spread on the same certified stone. Queensmith lists it at €1,591. 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
Colour
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €517 EUR|Low: €191 EUR|High: €1,043 EUR|Avg: €578 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€191 EUR
Retailer 9€366 EUR
Retailer 3€371 EUR
Retailer 8€383 EUR
Retailer 14€396 EUR
Retailer 7€414 EUR
Retailer 4€432 EUR
Retailer 1€517 EUR
Retailer 15€662 EUR
Retailer 2€684 EUR
Retailer 13€710 EUR
Retailer 5€730 EUR
Retailer 11€967 EUR
Retailer 10€991 EUR
Retailer 6€1,043 EUR

43 data points across 15 retailers

22 retailers€191 EUR to €1,591 EUR

Retailer 1
-
€171 EUR
$191 USD
Price last confirmed 24 days ago
A
Retailer 2
-
€191 EUR
$213 USD
View
Final sale: no returns
Retailer 3
-
€199 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
-
€212 EUR
$237 USD
View
Price last confirmed 30 days ago
Retailer 6
-
€212 EUR
$237 USD
View
Price last confirmed 21 days ago
A
Retailer 7
-
€366 EUR
ZAR 6,608 ZAR
View
A
Retailer 8
-
€371 EUR
$415 USD
View
A
Retailer 9
-
€383 EUR
£337 GBP
View
A
Retailer 10
-
€396 EUR
View
A
Retailer 11
-
€414 EUR
$462 USD
View
B+
Retailer 12
-
€432 EUR
$483 USD
View
B+
Retailer 13
-
€517 EUR
A$889 AUD
View
B+
Retailer 14
-
€662 EUR
$740 USD
View
Retailer 15
-
€682 EUR
$762 USD
View
Price last confirmed 32 days ago
B
Retailer 16
-
€684 EUR
$764 USD
View
B
Retailer 17
-
€710 EUR
A$1,221 AUD
View
B
Retailer 18
-
€730 EUR
$815 USD
View
B
Retailer 19
-
€967 EUR
$1,080 USD
View
B
Retailer 20
-
€991 EUR
£872 GBP
View
B
Retailer 21
-
€1,043 EUR
$1,165 USD
View
Most Expensive
B
Queensmith
LG806603879 · Oct 27
€1,591 EUR
£1,400 GBP
View
21 more retailers have this diamond
Prices start from €191 EURSave up to €1,401 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
€191 EUR