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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 €1,414 EUR (89%) 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 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 €1,591, a €1,414 spread on the same certified stone. Queensmith lists it at €1,591. 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
Colour
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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €402 EUR|Low: €172 EUR|High: €1,099 EUR|Avg: €489 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€198 EUR
Retailer 2€219 EUR
Retailer 13€219 EUR
Retailer 5€297 EUR
Retailer 9€379 EUR
Retailer 12€384 EUR
Retailer 1€402 EUR
Retailer 8€416 EUR
Retailer 3€439 EUR
Retailer 11€537 EUR
Retailer 14€667 EUR
Retailer 16€709 EUR
Retailer 7€754 EUR
Retailer 10€1,032 EUR
Retailer 4€1,062 EUR

42 data points across 16 retailers

22 retailers€177 EUR to €1,591 EUR

Retailer 1
-
€172 EUR
$192 USD
Price last confirmed 33 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
-
€198 EUR
$221 USD
View
Final sale: no returns
Retailer 5
-
€200 EUR
$223 USD
View
Price last confirmed 34 days ago
Retailer 6
-
€211 EUR
$236 USD
View
Price last confirmed 34 days ago
Retailer 7
-
€219 EUR
$245 USD
View
Price last confirmed 13 days ago
Retailer 8
-
€219 EUR
$245 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
€297 EUR
$332 USD
View
A
Retailer 10
-
€379 EUR
ZAR 6,844 ZAR
View
A
Retailer 11
-
€384 EUR
View
A
Retailer 12
-
€402 EUR
£354 GBP
View
A
Retailer 13
-
€416 EUR
$465 USD
View
A
Retailer 14
-
€439 EUR
$490 USD
View
B+
Retailer 15
-
€537 EUR
A$923 AUD
View
B+
Retailer 16
-
€667 EUR
$745 USD
View
Retailer 17
-
€687 EUR
$767 USD
View
Price last confirmed 32 days ago
B
Retailer 18
-
€709 EUR
$792 USD
View
B
Retailer 19
-
€754 EUR
$842 USD
View
B
Retailer 20
-
€1,032 EUR
£908 GBP
View
B
Retailer 21
-
€1,062 EUR
$1,187 USD
View
Most Expensive
B
Queensmith
LG809686335 · Oct 27
€1,591 EUR
£1,400 GBP
View
21 more retailers have this diamond
Prices start from €177 EURSave up to €1,414 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