Marquise|Lab Grown|IGI

3.39ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG817638254

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817638254

Diamond specifications and retailer prices

From €5,235 EUR
$5,849 USD
As of October 31, 2026
Save €19,860 EUR (79%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €25,095 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.39ct lab-grown marquise diamond

This 3.39ct 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 LG817638254 or 817638254. Listed at 25 retailers as of October 31, 2026, with prices from €5,235 to €25,095, a €19,860 spread on the same certified stone. Taylor and Hart lists it at €25,095. 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

3.39
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817638254
Dimensions16.65 × 7.85 × 4.74 mm
L/W Ratio2.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.65 mm7.85 mm3.39 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817638254
Side View
Table 60.0%Crown 34.3°Girdle: THN-MEDPavilion 40.3°Culet: NoneDepth 60.4%

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 31
Current: €14,472 EUR|Low: €5,526 EUR|High: €37,397 EUR|Avg: €13,207 EUR|-1.1%
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
Taylor and Hart
November 1, 2026
Retailer 2€5,756 EUR
Retailer 6€5,986 EUR
Retailer 15€5,998 EUR
Retailer 4€6,677 EUR
Retailer 9€6,677 EUR
Retailer 14€7,022 EUR
Retailer 5€8,750 EUR
Retailer 11€9,040 EUR
Retailer 3€10,916 EUR
Retailer 13€11,625 EUR
Retailer 12€12,961 EUR
Retailer 1€14,472 EUR
Retailer 7€14,542 EUR
Retailer 17€16,589 EUR
Retailer 10€17,114 EUR
Retailer 8€18,545 EUR
Taylor and Hart€25,095 EUR
Retailer 16€35,920 EUR

38 data points across 18 retailers

25 retailers€5,235 EUR to €25,095 EUR

A
Cheapest Retailer
-
€5,235 EUR
$5,849 USD
A
Retailer 2
-
€5,756 EUR
$6,431 USD
View
A
Retailer 3
-
€5,986 EUR
$6,688 USD
View
A
Retailer 4
-
€5,998 EUR
$6,701 USD
View
A
Retailer 5
-
€6,004 EUR
CA$9,317 CAD
View
B+
Retailer 6
-
€6,659 EUR
$7,440 USD
View
B+
Retailer 7
-
€6,677 EUR
$7,460 USD
View
Retailer 8
-
€6,677 EUR
$7,460 USD
View
Price last confirmed 16 days ago
B+
Retailer 9
-
€7,022 EUR
$7,845 USD
View
Final sale: no returns
B+
Retailer 10
-
€8,750 EUR
$9,775 USD
View
B+
Retailer 11
-
€9,040 EUR
£7,952 GBP
View
B
Retailer 12
-
€10,545 EUR
£9,276 GBP
View
B
Retailer 13
-
€10,916 EUR
$12,195 USD
View
B+
Retailer 14
-
€11,625 EUR
View
B+
Retailer 15
-
€12,961 EUR
$14,480 USD
View
B
Retailer 16
-
€14,472 EUR
£12,731 GBP
View
B
Retailer 17
-
€14,542 EUR
$16,246 USD
View
B
Retailer 18
-
€16,589 EUR
$18,533 USD
View
B
Retailer 19
-
€17,114 EUR
ZAR 308,890 ZAR
View
B
Retailer 20
-
€17,392 EUR
$19,431 USD
View
B
Retailer 21
-
€18,545 EUR
$20,718 USD
View
Retailer 22
-
€19,132 EUR
$21,375 USD
View
Price last confirmed 8 days ago
B
Retailer 23
-
€19,275 EUR
$21,534 USD
View
Most Expensive
B
Taylor and Hart
QPBWHVI · Oct 31
€25,095 EUR
$28,037 USD
View
23 more retailers have this diamond
Prices start from €5,235 EURSave up to €19,860 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
3.39ct Marquise
€5,235 EUR