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Marquise|Lab Grown|GCAL

3.18ct D IF Marquise Lab Grown Diamond

ID • D/IF • GCAL 360876139

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 360876139

Diamond specifications and retailer prices

From €5,948 EUR
$6,671 USD
As of November 2, 2026
Save €10,357 EUR (64%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €27,368 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.18ct lab-grown marquise diamond

This 3.18ct 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 360876139. Listed at 10 retailers as of October 30, 2026, with a 174% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.18
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 360876139
Dimensions14.38 × 7.82 × 4.95 mm
L/W Ratio1.84
Culet sizeNone
Top View
14.38 mm7.82 mm3.18 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 360876139
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.3%

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: Nov 2
Current: €15,784 EUR|Low: €5,608 EUR|High: €39,675 EUR|Avg: €14,620 EUR|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
November 1, 2026
Retailer 10€5,608 EUR
Retailer 4€5,948 EUR
Retailer 9€6,867 EUR
Retailer 7€8,455 EUR
Retailer 5€9,725 EUR
Retailer 3€11,475 EUR
Retailer 6€11,475 EUR
Retailer 1€15,784 EUR
Retailer 2€16,304 EUR
Taylor and Hart€27,368 EUR
Retailer 8€39,675 EUR

15 data points across 11 retailers

10 retailers€5,948 EUR to €16,304 EUR

A
Cheapest Retailer
-
€5,948 EUR
$6,671 USD
B+
Retailer 2
-
€6,867 EUR
CA$10,697 CAD
View
B+
Retailer 3
-
€8,455 EUR
$9,483 USD
View
B+
Retailer 4
-
€9,725 EUR
$10,908 USD
View
B+
Retailer 5
-
€11,475 EUR
$12,870 USD
View
B
Retailer 6
-
€11,475 EUR
$12,870 USD
View
B
Retailer 7
-
€15,784 EUR
£13,940 GBP
View
B
Retailer 8
-
€16,304 EUR
$18,287 USD
View
Most Expensive
Taylor and Hart
FUBSJAJ · Oct 31
€27,368 EUR
$30,697 USD
View
Price under review
8 more retailers have this diamond
Prices start from €5,948 EURSave up to €10,357 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
3.18ct Marquise
€5,948 EUR