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Marquise|Lab Grown

0.78ct F SI2 Marquise Lab Grown Diamond

F/SI2 • EC290DD9BB

Diamond specifications and retailer prices

From HK$887 HKD
$113 USD
As of November 2, 2026
Save HK$2,644 HKD (75%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$3,531 HKD 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 HK$887 to HK$3,531, a HK$2,644 spread on the same certified stone. NZ Jewellers lists it at HK$3,531. 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
Colour
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: HK$3,531 HKD|Low: HK$847 HKD|High: HK$3,531 HKD|Avg: HK$1,564 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2HK$887 HKD
Retailer 4HK$1,028 HKD
Retailer 3HK$1,169 HKD
NZ JewellersHK$3,531 HKD

6 data points across 4 retailers

4 retailersHK$887 HKD to HK$3,531 HKD

B+
Cheapest Retailer
-
HK$887 HKD
$113 USD
B+
Retailer 2
-
HK$1,028 HKD
$131 USD
View
B+
Retailer 3
-
HK$1,169 HKD
$149 USD
View
Most Expensive
C
NZ Jewellers
b0d99c02-1942-4040-a986-df04677d7a46 · Oct 31
HK$3,531 HKD
$450 USD
View
3 more retailers have this diamond
Prices start from HK$887 HKDSave up to HK$2,644 HKD

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
HK$887 HKD