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Marquise|Lab Grown|IGI

1.21ct D VS1 Marquise Lab Grown Diamond

VG • D/VS1 • IGI LG809688217

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG809688217

Diamond specifications and retailer prices

From €172 EUR
$192 USD
As of November 2, 2026
Save €1,420 EUR (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,591 EUR at Queensmith · As of October 28, 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 LG809688217 or 809688217. Listed at 16 retailers as of October 28, 2026, with prices from €172 to €1,591, a €1,420 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 angle32.2°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809688217
Dimensions11.72 × 5.59 × 3.17 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.72 mm5.59 mm1.21 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809688217
Side View
Table 60.0%Crown 32.2°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 56.7%

Caratlytics Score

How it works →
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: €1,591 EUR|Low: €192 EUR|High: €1,591 EUR|Avg: €571 EUR
Queensmith
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 3€192 EUR
Retailer 12€214 EUR
Retailer 2€285 EUR
Retailer 16€288 EUR
Retailer 5€366 EUR
Retailer 10€369 EUR
Retailer 9€389 EUR
Retailer 6€414 EUR
Retailer 15€433 EUR
Retailer 4€521 EUR
Retailer 13€687 EUR
Retailer 14€689 EUR
Retailer 8€735 EUR
Retailer 11€998 EUR
Retailer 7€1,047 EUR
Queensmith€1,591 EUR

7 data points across 16 retailers

16 retailers€172 EUR to €1,591 EUR

A
Cheapest Retailer
-
€172 EUR
$192 USD
A
Retailer 2
-
€192 EUR
$214 USD
View
Final sale: no returns
A
Retailer 3
-
€214 EUR
$239 USD
View
A
Retailer 4
-
€285 EUR
£251 GBP
View
B+
Retailer 5
-
€288 EUR
$322 USD
View
A
Retailer 6
-
€369 EUR
ZAR 6,654 ZAR
View
A
Retailer 7
-
€389 EUR
£342 GBP
View
A
Retailer 8
-
€414 EUR
$462 USD
View
B+
Retailer 9
-
€433 EUR
$484 USD
View
B+
Retailer 10
-
€521 EUR
A$896 AUD
View
B+
Retailer 11
-
€687 EUR
$767 USD
View
B+
Retailer 12
-
€689 EUR
$770 USD
View
B
Retailer 13
-
€735 EUR
$821 USD
View
B
Retailer 14
-
€998 EUR
£878 GBP
View
B
Retailer 15
-
€1,047 EUR
$1,169 USD
View
Most Expensive
B
Queensmith
LG809688217 · Oct 28
€1,591 EUR
£1,400 GBP
View
15 more retailers have this diamond
Prices start from €172 EURSave up to €1,420 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
€172 EUR