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Marquise|Lab Grown|IGI

1.21ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754508674

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754508674

Diamond specifications and retailer prices

From €440 EUR
$494 USD
As of November 1, 2026
Save €2,734 EUR (86%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: €3,174 EUR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754508674 or 754508674. Listed at 30 retailers as of November 1, 2026, with prices from €440 to €3,174, a €2,734 spread on the same certified stone. Do Amore Diamonds lists it at €3,174. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508674
Dimensions10.82 × 5.55 × 3.51 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.82 mm5.55 mm1.21 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508674
Side View
Table 58.0%Crown 33.9°Girdle: Slightly ThickPavilion 40.1°Culet: NoneDepth 63.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €3,174 EUR|Low: €372 EUR|High: €3,299 EUR|Avg: €1,096 EUR|-3.8%
Do Amore Diamonds
Retailer 2
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Retailer 25
November 2, 2026
Retailer 16€372 EUR
Retailer 18€416 EUR
Retailer 7€440 EUR
Retailer 15€443 EUR
Retailer 4€507 EUR
Retailer 11€565 EUR
Retailer 25€566 EUR
Retailer 6€628 EUR
Retailer 8€649 EUR
Retailer 12€691 EUR
Retailer 22€696 EUR
Retailer 13€802 EUR
Retailer 2€844 EUR
Retailer 10€1,139 EUR
Retailer 21€1,193 EUR
Retailer 5€1,244 EUR
Retailer 3€1,346 EUR
Retailer 23€1,606 EUR
Retailer 19€1,606 EUR
Retailer 14€1,628 EUR
Retailer 17€1,634 EUR
Retailer 9€1,707 EUR
Retailer 24€1,800 EUR
Retailer 20€1,926 EUR
Do Amore Diamonds€3,174 EUR

36 data points across 25 retailers

30 retailers€440 EUR to €3,174 EUR

Retailer 1
-
€372 EUR
$417 USD
Price last confirmed 25 days ago
Retailer 2
-
€372 EUR
$417 USD
View
Price last confirmed 33 days ago
Retailer 3
-
€416 EUR
$467 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
€440 EUR
$494 USD
View
Final sale: no returns
Retailer 5
-
€443 EUR
$497 USD
View
Price last confirmed 25 days ago
Retailer 6
-
€443 EUR
$497 USD
View
Price last confirmed 23 days ago
Retailer 7
-
€455 EUR
$510 USD
View
Price last confirmed 34 days ago
Retailer 8
-
€507 EUR
£447 GBP
View
Price last confirmed 16 days ago
A
Retailer 9
-
€565 EUR
$634 USD
View
A
Retailer 10
-
€566 EUR
$635 USD
View
A
Retailer 11
-
€628 EUR
HK$5,500 HKD
View
B+
Retailer 12
-
€649 EUR
$728 USD
View
B+
Retailer 13
-
€691 EUR
$775 USD
View
B+
Retailer 14
-
€696 EUR
View
B+
Retailer 15
-
€802 EUR
£708 GBP
View
B+
Retailer 16
-
€844 EUR
ZAR 15,294 ZAR
View
Retailer 17
-
€1,139 EUR
$1,278 USD
View
Price last confirmed 9 days ago
B+
Retailer 18
-
€1,193 EUR
A$2,058 AUD
View
B
Retailer 19
-
€1,244 EUR
$1,395 USD
View
B+
Retailer 20
-
€1,346 EUR
$1,510 USD
View
B
Retailer 21
-
€1,574 EUR
$1,765 USD
View
Retailer 22
-
€1,574 EUR
$1,765 USD
View
Price last confirmed 23 days ago
B
Retailer 23
-
€1,606 EUR
$1,801 USD
View
B
Retailer 24
-
€1,606 EUR
A$2,772 AUD
View
B
Retailer 25
-
€1,628 EUR
$1,826 USD
View
Retailer 26
-
€1,634 EUR
$1,833 USD
View
Price last confirmed 33 days ago
B
Retailer 27
-
€1,707 EUR
$1,914 USD
View
Retailer 28
-
€1,800 EUR
£1,590 GBP
View
Price last confirmed 8 days ago
B
Retailer 29
-
€1,926 EUR
$2,160 USD
View
Most Expensive
B
Do Amore Diamonds
27-B4A31C9AE · Nov 2
€3,174 EUR
$3,560 USD
View
29 more retailers have this diamond
Prices start from €440 EURSave up to €2,734 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
€440 EUR