Marquise|Lab Grown|GCAL

3.09ct D IF Marquise Lab Grown Diamond

ID • D/IF • GCAL 352786029

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 352786029

Diamond specifications and retailer prices

From €5,457 EUR
$6,097 USD
As of October 30, 2026
Save €12,110 EUR (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €17,567 EUR at Frank Darling · As of October 31, 2026
View at Frank Darling

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 GCAL 352786029. Listed at 10 retailers as of October 30, 2026, with prices from €5,457 to €17,567, a €12,110 spread on the same certified stone. Frank Darling lists it at €17,567. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle38.3°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 352786029
Dimensions14.83 × 7.52 × 4.63 mm
L/W Ratio1.97
Culet sizeNone
Top View
14.83 mm7.52 mm3.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 352786029
Side View
Table 60.0%Crown 35.7°Girdle: ThickPavilion 38.3°Culet: NoneDepth 61.6%

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: €17,567 EUR|Low: €5,350 EUR|High: €38,337 EUR|Avg: €13,690 EUR|-15.9%
Frank Darling
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
October 29, 2026
Retailer 7€5,457 EUR
Retailer 13€5,551 EUR
Retailer 12€5,720 EUR
Retailer 6€6,054 EUR
Retailer 14€6,864 EUR
Retailer 9€7,528 EUR
Retailer 11€8,296 EUR
Retailer 8€9,770 EUR
Retailer 3€10,176 EUR
Retailer 2€14,045 EUR
Frank Darling€17,567 EUR
Retailer 5€21,716 EUR
Retailer 4€26,934 EUR
Retailer 10€37,549 EUR

22 data points across 14 retailers

10 retailers€5,457 EUR to €17,567 EUR

A
Cheapest Retailer
-
€5,457 EUR
$6,097 USD
A
Retailer 2
-
€5,551 EUR
$6,202 USD
View
A
Retailer 3
-
€5,720 EUR
$6,390 USD
View
B+
Retailer 4
-
€6,864 EUR
$7,668 USD
View
Final sale: no returns
B+
Retailer 5
-
€7,528 EUR
$8,410 USD
View
B+
Retailer 6
-
€8,296 EUR
$9,268 USD
View
B
Retailer 7
-
€9,770 EUR
$10,915 USD
View
B
Retailer 8
-
€14,045 EUR
£12,355 GBP
View
Most Expensive
B
Frank Darling
P79G-3EL · Oct 31
€17,567 EUR
$19,626 USD
View
8 more retailers have this diamond
Prices start from €5,457 EURSave up to €12,110 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
€5,457 EUR