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Marquise|Natural|GIA

0.78ct F SI2 Marquise Natural Diamond

F/SI2 • GIA 1242089375

Certificate GIA 1242089375

Diamond specifications and retailer prices

From HK$7,140 HKD
$910 USD
As of November 1, 2026
Save HK$8,465 HKD (54%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$15,604 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 0.78ct natural marquise diamond

This 0.78ct natural marquise sits in the just-under-one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included) and certified by GIA 1242089375. Listed at 9 retailers as of October 29, 2026, with prices from HK$7,140 to HK$15,604, a HK$8,465 spread on the same certified stone. MOH London lists it at HK$15,604. 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
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1242089375
Dimensions8.61 × 5.02 × 3.24 mm
L/W Ratio1.72
Girdle conditionFaceted
Culet sizeNone
Top View
8.61 mm5.02 mm0.78 ctF / SI2
OriginNatural
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 1242089375
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 64.6%

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: Nov 1
Current: HK$15,604 HKD|Low: HK$7,140 HKD|High: HK$15,704 HKD|Avg: HK$9,700 HKD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 6HK$7,140 HKD
Retailer 9HK$7,673 HKD
Retailer 10HK$7,752 HKD
Retailer 7HK$8,772 HKD
Retailer 4HK$9,415 HKD
Retailer 8HK$9,415 HKD
Retailer 2HK$9,665 HKD
Retailer 5HK$9,729 HKD
Retailer 3HK$11,880 HKD
MOH LondonHK$15,604 HKD

28 data points across 10 retailers

9 retailersHK$7,140 HKD to HK$15,604 HKD

A
Cheapest Retailer
-
HK$7,140 HKD
$910 USD
B+
Retailer 2
-
HK$7,752 HKD
$988 USD
View
B+
Retailer 3
-
HK$8,772 HKD
$1,118 USD
View
B+
Retailer 4
-
HK$9,415 HKD
$1,200 USD
View
B+
Retailer 5
-
HK$9,415 HKD
$1,200 USD
View
B+
Retailer 6
-
HK$9,665 HKD
£970 GBP
View
B+
Retailer 7
-
HK$9,729 HKD
$1,240 USD
View
B+
Retailer 8
-
HK$11,880 HKD
€1,442 EUR
View
Most Expensive
B
MOH London
560BBC953 · Oct 29
HK$15,604 HKD
£1,566 GBP
View
8 more retailers have this diamond
Prices start from HK$7,140 HKDSave up to HK$8,465 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.

A
0.78ct Marquise
HK$7,140 HKD