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Marquise|Lab Grown|IGI

1.21ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG841674554

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841674554

Diamond specifications and retailer prices

From €181 EUR
$202 USD
As of November 2, 2026
Save €974 EUR (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,155 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 LG841674554 or 841674554. Listed at 19 retailers as of October 30, 2026, with prices from €181 to €1,155, a €974 spread on the same certified stone. Brilliant Earth lists it at €1,155. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841674554
Dimensions10.90 × 5.59 × 3.45 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.90 mm5.59 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841674554
Side View
Table 61.0%Crown 30.8°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.7%

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 2
Current: €1,155 EUR|Low: €181 EUR|High: €1,155 EUR|Avg: €490 EUR
Brilliant Earth
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
Retailer 17
Retailer 18
November 2, 2026
Retailer 17€181 EUR
Retailer 7€201 EUR
Retailer 5€224 EUR
Retailer 8€224 EUR
Retailer 2€299 EUR
Retailer 6€303 EUR
Retailer 12€386 EUR
Retailer 16€390 EUR
Retailer 11€411 EUR
Retailer 4€417 EUR
Retailer 14€542 EUR
Retailer 18€547 EUR
Retailer 10€680 EUR
Retailer 15€704 EUR
Retailer 3€767 EUR
Retailer 13€1,046 EUR
Retailer 9€1,073 EUR
Brilliant Earth€1,155 EUR

30 data points across 18 retailers

19 retailers€181 EUR to €1,155 EUR

A
Cheapest Retailer
-
€181 EUR
$202 USD
A
Retailer 2
-
€201 EUR
$225 USD
View
Final sale: no returns
A
Retailer 3
-
€224 EUR
$250 USD
View
Retailer 4
-
€224 EUR
$250 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
€299 EUR
£263 GBP
View
B+
Retailer 6
-
€303 EUR
$338 USD
View
A
Retailer 7
-
€386 EUR
ZAR 6,971 ZAR
View
A
Retailer 8
-
€390 EUR
View
A
Retailer 9
-
€411 EUR
£361 GBP
View
A
Retailer 10
-
€417 EUR
$466 USD
View
Retailer 11
-
€477 EUR
$532 USD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
€542 EUR
$605 USD
View
B+
Retailer 13
-
€547 EUR
A$940 AUD
View
Retailer 14
-
€680 EUR
$760 USD
View
Price last confirmed 25 days ago
B+
Retailer 15
-
€704 EUR
A$1,210 AUD
View
B
Retailer 16
-
€767 EUR
$857 USD
View
B
Retailer 17
-
€1,046 EUR
£920 GBP
View
B
Retailer 18
-
€1,073 EUR
$1,199 USD
View
Most Expensive
B
Brilliant Earth
21789863A · Oct 30
€1,155 EUR
$1,290 USD
View
18 more retailers have this diamond
Prices start from €181 EURSave up to €974 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
€181 EUR