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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 €186 EUR
$209 USD
As of November 1, 2026
Save €785 EUR (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €972 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 16 retailers as of October 29, 2026, with prices from €186 to €972, a €785 spread on the same certified stone. MOH London lists it at €972. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €972 EUR|Low: €186 EUR|High: €1,017 EUR|Avg: €542 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
Retailer 15
November 2, 2026
Retailer 11€186 EUR
Retailer 8€276 EUR
Retailer 13€278 EUR
Retailer 12€357 EUR
Retailer 6€370 EUR
Retailer 10€372 EUR
Retailer 3€411 EUR
Retailer 15€426 EUR
Retailer 9€504 EUR
Retailer 14€664 EUR
Retailer 2€667 EUR
Retailer 7€669 EUR
Retailer 5€695 EUR
Retailer 4€713 EUR
MOH London€972 EUR

38 data points across 15 retailers

16 retailers€186 EUR to €972 EUR

A
Cheapest Retailer
-
€186 EUR
$209 USD
Final sale: no returns
A
Retailer 2
-
€276 EUR
£244 GBP
View
B+
Retailer 3
-
€278 EUR
$312 USD
View
A
Retailer 4
-
€357 EUR
ZAR 6,465 ZAR
View
Retailer 5
-
€370 EUR
View
Price last confirmed 8 days ago
A
Retailer 6
-
€372 EUR
£328 GBP
View
A
Retailer 7
-
€411 EUR
$461 USD
View
A
Retailer 8
-
€426 EUR
$478 USD
View
B+
Retailer 9
-
€504 EUR
A$870 AUD
View
B+
Retailer 10
-
€664 EUR
$745 USD
View
B+
Retailer 11
-
€667 EUR
$748 USD
View
Retailer 12
-
€669 EUR
$750 USD
View
Price last confirmed 26 days ago
B+
Retailer 13
-
€695 EUR
A$1,199 AUD
View
B
Retailer 14
-
€713 EUR
$799 USD
View
B
Retailer 15
-
€883 EUR
$990 USD
View
Most Expensive
B
MOH London
LG816674414 · Oct 29
€972 EUR
£858 GBP
View
15 more retailers have this diamond
Prices start from €186 EURSave up to €785 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
€186 EUR