Marquise|Lab Grown

0.78ct F SI2 Marquise Lab Grown Diamond

F/SI2 • EC290DD9BB

Diamond specifications and retailer prices

From €101 EUR
$113 USD
As of November 2, 2026
Save €300 EUR (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €401 EUR at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 0.78ct lab-grown marquise diamond

This 0.78ct lab-grown marquise sits in the just-under-one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included). Listed at 4 retailers as of October 31, 2026, with prices from €101 to €401, a €300 spread on the same certified stone. NZ Jewellers lists it at €401. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.78
Carat
F
Color
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading Lab
CertificateEC290DD9BB
Dimensions9.16 × 4.74 × 3.01 mm
L/W Ratio1.93
Top View
9.16 mm4.74 mm0.78 ctF / SI2
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateEC290DD9BB
Side View
TableCrownGirdlePavilionCulet: NoneDepth 63.5%

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: Nov 2
Current: €401 EUR|Low: €96 EUR|High: €401 EUR|Avg: €178 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2€101 EUR
Retailer 4€117 EUR
Retailer 3€133 EUR
NZ Jewellers€401 EUR

6 data points across 4 retailers

4 retailers€101 EUR to €401 EUR

B+
Cheapest Retailer
-
€101 EUR
$113 USD
B+
Retailer 2
-
€117 EUR
$131 USD
View
B+
Retailer 3
-
€133 EUR
$149 USD
View
Most Expensive
C
NZ Jewellers
b0d99c02-1942-4040-a986-df04677d7a46 · Oct 31
€401 EUR
$450 USD
View
3 more retailers have this diamond
Prices start from €101 EURSave up to €300 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+
0.78ct Marquise
€101 EUR