Marquise|Lab Grown|IGI

3.09ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG846641022

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846641022

Diamond specifications and retailer prices

From €2,427 EUR
$2,711 USD
As of October 30, 2026
Save €7,388 EUR (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €9,815 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.09ct lab-grown marquise diamond

This 3.09ct 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 LG846641022 or 846641022. Listed at 20 retailers as of October 30, 2026, with prices from €2,427 to €9,815, a €7,388 spread on the same certified stone. Taylor and Hart lists it at €9,815. 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

3.09
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846641022
Dimensions14.88 × 7.71 × 4.77 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.88 mm7.71 mm3.09 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846641022
Side View
Table 57.0%Crown 35.7°Girdle: MediumPavilion 39.7°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €7,538 EUR|Low: €2,427 EUR|High: €9,815 EUR|Avg: €4,695 EUR|-0.5%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Taylor and Hart
November 1, 2026
Retailer 5€2,427 EUR
Retailer 18€2,641 EUR
Retailer 8€2,718 EUR
Retailer 3€2,815 EUR
Retailer 7€2,894 EUR
Retailer 17€2,958 EUR
Retailer 19€3,141 EUR
Retailer 4€3,367 EUR
Retailer 14€3,761 EUR
Retailer 13€3,803 EUR
Retailer 6€3,869 EUR
Retailer 9€4,381 EUR
Retailer 16€4,673 EUR
Retailer 11€4,856 EUR
Retailer 12€6,357 EUR
Retailer 15€6,538 EUR
Retailer 10€7,072 EUR
Retailer 1€7,538 EUR
Retailer 2€8,242 EUR
Taylor and Hart€9,815 EUR

17 data points across 20 retailers

20 retailers€2,427 EUR to €9,815 EUR

A
Cheapest Retailer
-
€2,427 EUR
$2,711 USD
A
Retailer 2
-
€2,641 EUR
$2,950 USD
View
A
Retailer 3
-
€2,718 EUR
$3,037 USD
View
Final sale: no returns
A
Retailer 4
-
€2,815 EUR
$3,145 USD
View
A
Retailer 5
-
€2,894 EUR
$3,233 USD
View
A
Retailer 6
-
€2,958 EUR
$3,305 USD
View
A
Retailer 7
-
€3,141 EUR
$3,509 USD
View
Retailer 8
-
€3,367 EUR
£2,962 GBP
View
Price last confirmed 15 days ago
A
Retailer 9
-
€3,761 EUR
$4,202 USD
View
A
Retailer 10
-
€3,803 EUR
£3,345 GBP
View
A
Retailer 11
-
€3,869 EUR
$4,323 USD
View
A
Retailer 12
-
€4,381 EUR
$4,895 USD
View
A
Retailer 13
-
€4,673 EUR
View
A
Retailer 14
-
€4,856 EUR
£4,272 GBP
View
B+
Retailer 15
-
€6,357 EUR
A$10,926 AUD
View
B+
Retailer 16
-
€6,538 EUR
ZAR 117,993 ZAR
View
B+
Retailer 17
-
€7,072 EUR
$7,901 USD
View
B+
Retailer 18
-
€7,538 EUR
£6,631 GBP
View
B+
Retailer 19
-
€8,242 EUR
$9,208 USD
View
Most Expensive
B
Taylor and Hart
LF2D4NF · Oct 31
€9,815 EUR
$10,965 USD
View
19 more retailers have this diamond
Prices start from €2,427 EURSave up to €7,388 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
3.09ct Marquise
€2,427 EUR