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Marquise|Lab Grown|GCAL

3.10ct D IF Marquise Lab Grown Diamond

EX • D/IF • GCAL 360736125

Shape and cutting style on the report: Marquise brilliant

Certificate GCAL 360736125

Diamond specifications and retailer prices

From €6,123 EUR
$6,841 USD
As of October 31, 2026
Save €9,805 EUR (62%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €24,242 EUR at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 3.1ct lab-grown marquise diamond

This 3.1ct 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 360736125. Listed at 16 retailers as of October 31, 2026, with a 160% 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

3.10
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle39.8°
OriginLab Grown
Grading LabGCAL
CertificateGCAL 360736125
Dimensions14.91 × 7.67 × 4.75 mm
L/W Ratio1.94
Culet sizeNone
Top View
14.91 mm7.67 mm3.10 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 360736125
Side View
Table 58.0%Crown 33.7°Girdle: MED-MEDPavilion 39.8°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €24,242 EUR|Low: €6,123 EUR|High: €42,633 EUR|Avg: €16,170 EUR|-18.5%
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
Retailer 15
November 1, 2026
Retailer 15€6,123 EUR
Retailer 11€6,833 EUR
Retailer 10€7,106 EUR
Retailer 7€7,651 EUR
Retailer 12€7,926 EUR
Retailer 14€8,689 EUR
Retailer 9€8,817 EUR
Retailer 5€9,839 EUR
Retailer 8€9,972 EUR
Retailer 2€15,928 EUR
Frank Darling€24,242 EUR
Retailer 3€27,882 EUR
Retailer 6€27,882 EUR
Retailer 13€27,910 EUR
Retailer 4€42,633 EUR

31 data points across 15 retailers

16 retailers€6,123 EUR to €15,928 EUR

B+
Cheapest Retailer
-
€6,123 EUR
$6,841 USD
B+
Retailer 2
-
€6,833 EUR
$7,634 USD
View
B+
Retailer 3
-
€7,106 EUR
$7,939 USD
View
B+
Retailer 4
-
€7,651 EUR
$8,548 USD
View
Final sale: no returns
Retailer 5
-
€7,926 EUR
$8,855 USD
View
Price last confirmed 16 days ago
B+
Retailer 6
-
€7,926 EUR
$8,855 USD
View
B+
Retailer 7
-
€8,817 EUR
$9,850 USD
View
B
Retailer 8
-
€9,839 EUR
$10,992 USD
View
B+
Retailer 9
-
€9,972 EUR
£8,772 GBP
View
B
Retailer 10
-
€13,297 EUR
$14,856 USD
View
B
Retailer 11
-
€15,928 EUR
£14,012 GBP
View
Most Expensive
Frank Darling
FAGD-90368FA · Oct 31
€24,242 EUR
$27,083 USD
View
Price under review
11 more retailers have this diamond
Prices start from €6,123 EURSave up to €9,805 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.

B+
3.10ct Marquise
€6,123 EUR