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Marquise|Lab Grown|IGI

3.05ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG804665551

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG804665551

Diamond specifications and retailer prices

From €3,174 EUR
$3,546 USD
As of October 31, 2026
Save €12,740 EUR (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €15,914 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.05ct lab-grown marquise diamond

This 3.05ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804665551 or 804665551. Listed at 14 retailers as of October 31, 2026, with prices from €3,174 to €15,914, a €12,740 spread on the same certified stone. Taylor and Hart lists it at €15,914. 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

3.05
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804665551
Dimensions14.69 × 7.55 × 4.78 mm
L/W Ratio1.95
Girdle conditionFaceted
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
14.69 mm7.55 mm3.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804665551
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
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 31
Current: €5,786 EUR|Low: €3,174 EUR|High: €15,914 EUR|Avg: €8,869 EUR|-14.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
October 31, 2026
Retailer 10€3,174 EUR
Retailer 12€3,817 EUR
Retailer 4€5,660 EUR
Retailer 1€5,786 EUR
Retailer 11€6,673 EUR
Retailer 3€6,870 EUR
Retailer 8€7,327 EUR
Retailer 6€7,590 EUR
Retailer 9€9,298 EUR
Retailer 13€10,100 EUR
Retailer 5€10,260 EUR
Retailer 7€10,370 EUR
Retailer 2€12,012 EUR
Taylor and Hart€15,914 EUR

39 data points across 14 retailers

14 retailers€3,174 EUR to €15,914 EUR

A
Cheapest Retailer
-
€3,174 EUR
$3,546 USD
A
Retailer 2
-
€3,817 EUR
$4,264 USD
View
B+
Retailer 3
-
€5,660 EUR
HK$49,400 HKD
View
B+
Retailer 4
-
€5,786 EUR
£5,090 GBP
View
B+
Retailer 5
-
€6,673 EUR
$7,455 USD
View
B+
Retailer 6
-
€6,870 EUR
$7,675 USD
View
B+
Retailer 7
-
€7,327 EUR
View
B+
Retailer 8
-
€7,590 EUR
$8,480 USD
View
B+
Retailer 9
-
€9,298 EUR
£8,179 GBP
View
B
Retailer 10
-
€10,100 EUR
$11,284 USD
View
B+
Retailer 11
-
€10,260 EUR
$11,463 USD
View
B+
Retailer 12
-
€10,370 EUR
ZAR 187,167 ZAR
View
Retailer 13
-
€12,012 EUR
$13,420 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Taylor and Hart
MYJJX3E · Oct 31
€15,914 EUR
$17,779 USD
View
13 more retailers have this diamond
Prices start from €3,174 EURSave up to €12,740 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
3.05ct Marquise
€3,174 EUR