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Marquise|Lab Grown|IGI

3.14ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754594327

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754594327

Diamond specifications and retailer prices

From €3,008 EUR
$3,361 USD
As of October 30, 2026
Save €17,686 EUR (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €20,694 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.14ct lab-grown marquise diamond

This 3.14ct 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 LG754594327 or 754594327. Listed at 18 retailers as of October 30, 2026, with prices from €3,008 to €20,694, a €17,686 spread on the same certified stone. Do Amore Diamonds lists it at €20,694. 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

3.14
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594327
Dimensions14.33 × 7.54 × 4.89 mm
L/W Ratio1.90
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
14.33 mm7.54 mm3.14 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594327
Side View
Table 61.0%Crown 37.1°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 64.9%

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: Oct 30
Current: €20,694 EUR|Low: €3,008 EUR|High: €21,831 EUR|Avg: €7,178 EUR|-5.2%
Do Amore Diamonds
Retailer 2
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Retailer 19
November 1, 2026
Retailer 19€3,008 EUR
Retailer 3€3,106 EUR
Retailer 17€3,303 EUR
Retailer 9€3,386 EUR
Retailer 4€3,630 EUR
Retailer 11€4,234 EUR
Retailer 14€4,583 EUR
Retailer 6€4,813 EUR
Retailer 16€4,813 EUR
Retailer 12€5,414 EUR
Retailer 7€6,422 EUR
Retailer 8€6,574 EUR
Retailer 2€8,249 EUR
Retailer 18€8,772 EUR
Retailer 13€8,797 EUR
Retailer 10€9,281 EUR
Retailer 5€9,558 EUR
Retailer 15€14,726 EUR
Do Amore Diamonds€20,694 EUR

32 data points across 19 retailers

18 retailers€3,008 EUR to €20,694 EUR

A
Cheapest Retailer
-
€3,008 EUR
$3,361 USD
A
Retailer 2
-
€3,106 EUR
$3,470 USD
View
A
Retailer 3
-
€3,303 EUR
$3,690 USD
View
A
Retailer 4
-
€3,386 EUR
$3,783 USD
View
A
Retailer 5
-
€3,630 EUR
$4,055 USD
View
Retailer 6
-
€4,234 EUR
$4,730 USD
View
Price last confirmed 9 days ago
A
Retailer 7
-
€4,583 EUR
£4,032 GBP
View
A
Retailer 8
-
€4,813 EUR
$5,377 USD
View
A
Retailer 9
-
€4,813 EUR
$5,377 USD
View
B+
Retailer 10
-
€5,414 EUR
$6,048 USD
View
B+
Retailer 11
-
€6,422 EUR
$7,175 USD
View
B+
Retailer 12
-
€6,574 EUR
View
B+
Retailer 13
-
€8,249 EUR
£7,257 GBP
View
B+
Retailer 14
-
€8,772 EUR
$9,800 USD
View
B+
Retailer 15
-
€8,797 EUR
A$15,120 AUD
View
B+
Retailer 16
-
€9,558 EUR
$10,679 USD
View
B
Retailer 17
-
€14,726 EUR
A$25,311 AUD
View
Most Expensive
B
Do Amore Diamonds
27-31E039256 · Oct 31
€20,694 EUR
$23,120 USD
View
17 more retailers have this diamond
Prices start from €3,008 EURSave up to €17,686 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
3.14ct Marquise
€3,008 EUR