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Marquise|Lab Grown|IGI

1.21ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG816674414

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816674414

Diamond specifications and retailer prices

From €187 EUR
$209 USD
As of November 1, 2026
Save €788 EUR (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €975 EUR at MOH London · As of October 29, 2026
View at MOH London

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 LG816674414 or 816674414. Listed at 15 retailers as of October 29, 2026, with prices from €187 to €975, a €788 spread on the same certified stone. MOH London lists it at €975. 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 angle34.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816674414
Dimensions10.39 × 5.55 × 3.55 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.39 mm5.55 mm1.21 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816674414
Side View
Table 60.0%Crown 34.4°Girdle: STK-THKPavilion 41°Culet: NoneDepth 64.0%

Caratlytics Score

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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 1
Current: €975 EUR|Low: €187 EUR|High: €1,021 EUR|Avg: €543 EUR|-4.2%
MOH London
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
November 2, 2026
Retailer 9€187 EUR
Retailer 2€277 EUR
Retailer 11€279 EUR
Retailer 10€358 EUR
Retailer 5€371 EUR
Retailer 8€373 EUR
Retailer 14€413 EUR
Retailer 13€428 EUR
Retailer 7€506 EUR
Retailer 12€667 EUR
Retailer 6€671 EUR
Retailer 4€698 EUR
Retailer 3€715 EUR
MOH London€975 EUR

38 data points across 14 retailers

15 retailers€187 EUR to €975 EUR

A
Cheapest Retailer
-
€187 EUR
$209 USD
Final sale: no returns
A
Retailer 2
-
€277 EUR
£244 GBP
View
B+
Retailer 3
-
€279 EUR
$312 USD
View
A
Retailer 4
-
€358 EUR
ZAR 6,465 ZAR
View
Retailer 5
-
€371 EUR
View
Price last confirmed 7 days ago
A
Retailer 6
-
€373 EUR
£328 GBP
View
A
Retailer 7
-
€413 EUR
$461 USD
View
A
Retailer 8
-
€428 EUR
$478 USD
View
B+
Retailer 9
-
€506 EUR
A$870 AUD
View
B+
Retailer 10
-
€667 EUR
$745 USD
View
Retailer 11
-
€671 EUR
$750 USD
View
Price last confirmed 25 days ago
B+
Retailer 12
-
€698 EUR
A$1,199 AUD
View
B+
Retailer 13
-
€715 EUR
$799 USD
View
B
Retailer 14
-
€886 EUR
$990 USD
View
Most Expensive
B
MOH London
LG816674414 · Oct 29
€975 EUR
£858 GBP
View
14 more retailers have this diamond
Prices start from €187 EURSave up to €788 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
€187 EUR