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Marquise|Lab Grown|IGI

3.00ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754508612

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754508612

Diamond specifications and retailer prices

From €3,120 EUR
As of November 3, 2026
Save €12,522 EUR (80%) vs most expensive(unlock to see where)
32 retailers carry this diamond
Most expensive: €23,607 EUR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3ct lab-grown marquise diamond

This 3ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754508612 or 754508612. Listed at 32 retailers as of October 31, 2026, with a 401% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.00
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508612
Dimensions14.39 × 7.43 × 4.82 mm
L/W Ratio1.94
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
14.39 mm7.43 mm3.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508612
Side View
Table 58.0%Crown 37.3°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 64.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: €23,607 EUR|Low: €3,120 EUR|High: €23,607 EUR|Avg: €8,147 EUR
Do Amore Diamonds
Retailer 2
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Retailer 23
November 4, 2026
Retailer 5€3,120 EUR
Retailer 10€3,431 EUR
Retailer 12€3,597 EUR
Retailer 16€3,758 EUR
Retailer 15€3,926 EUR
Retailer 8€4,034 EUR
Retailer 18€4,730 EUR
Retailer 6€5,094 EUR
Retailer 17€5,166 EUR
Retailer 7€5,280 EUR
Retailer 4€6,718 EUR
Retailer 11€6,754 EUR
Retailer 3€7,202 EUR
Retailer 21€9,098 EUR
Retailer 20€9,273 EUR
Retailer 14€9,936 EUR
Retailer 9€10,087 EUR
Retailer 22€10,101 EUR
Retailer 2€10,415 EUR
Retailer 19€10,627 EUR
Retailer 13€14,510 EUR
Retailer 23€14,537 EUR
Do Amore Diamonds€23,607 EUR

42 data points across 23 retailers

32 retailers€3,120 EUR to €15,642 EUR

A
Cheapest Retailer
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€3,120 EUR
A
Retailer 2
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€3,431 EUR
View
Retailer 3
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€3,431 EUR
View
Price last confirmed 27 days ago
Retailer 4
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€3,431 EUR
View
Price last confirmed 35 days ago
Retailer 5
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€3,597 EUR
View
Price last confirmed 36 days ago
A
Retailer 6
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€3,758 EUR
View
Retailer 7
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€3,926 EUR
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Price last confirmed 36 days ago
Retailer 8
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€3,981 EUR
View
Price last confirmed 25 days ago
Retailer 9
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€3,981 EUR
View
Price last confirmed 32 days ago
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Retailer 10
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€4,034 EUR
View
A
Retailer 11
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€4,562 EUR
View
Final sale: no returns
A
Retailer 12
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€4,730 EUR
View
B+
Retailer 13
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€5,094 EUR
View
A
Retailer 14
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€5,166 EUR
View
B+
Retailer 15
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€5,280 EUR
View
Retailer 16
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€5,491 EUR
View
Price last confirmed 25 days ago
B+
Retailer 17
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€5,491 EUR
View
Retailer 18
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€5,491 EUR
View
Price last confirmed 35 days ago
B+
Retailer 19
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€6,175 EUR
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B+
Retailer 20
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€6,718 EUR
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B+
Retailer 21
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€6,754 EUR
View
B+
Retailer 22
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€7,202 EUR
View
B+
Retailer 23
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€9,098 EUR
View
B+
Retailer 24
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€9,273 EUR
View
B
Retailer 25
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€10,087 EUR
View
B
Retailer 26
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€10,101 EUR
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B
Retailer 27
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€10,415 EUR
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B
Retailer 28
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€10,627 EUR
View
B
Retailer 29
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€14,510 EUR
View
B
Retailer 30
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€14,537 EUR
View
B
Retailer 31
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€15,642 EUR
View
Most Expensive
Do Amore Diamonds
27-CD9BDF00E · Nov 2
€23,607 EUR
$26,390 USD
View
Price under review
31 more retailers have this diamond
Prices start from €3,120 EURSave up to €12,522 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
3.00ct Marquise
€3,120 EUR