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Marquise|Natural|GIA

0.78ct I SI2 Marquise Natural Diamond

GD • I/SI2 • GIA 2245079755

Certificate GIA 2245079755

Diamond specifications and retailer prices

From HK$10,512 HKD
£1,055 GBP
As of November 2, 2026
Save HK$6,348 HKD (38%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$16,860 HKD at MOH London · As of November 1, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2245079755. Listed at 3 retailers as of November 1, 2026, with prices from HK$10,512 to HK$16,860, a HK$6,348 spread on the same certified stone. MOH London lists it at HK$16,860. 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
I
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishGood
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2245079755
Dimensions8.73 × 4.99 × 3.00 mm
L/W Ratio1.75
Culet sizeNone
Top View
8.73 mm4.99 mm0.78 ctI / SI2
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceFaint
CertificateGIA 2245079755
Side View
Table 67.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 60.1%

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$16,860 HKD|Low: HK$10,135 HKD|High: HK$24,762 HKD|Avg: HK$15,085 HKD|-31.9%
MOH London
Retailer 2
Retailer 3
November 2, 2026
Retailer 2HK$10,512 HKD
Retailer 3HK$12,885 HKD
MOH LondonHK$16,860 HKD

33 data points across 3 retailers

3 retailersHK$10,512 HKD to HK$16,860 HKD

B+
Cheapest Retailer
-
HK$10,512 HKD
£1,055 GBP
B
Retailer 2
-
HK$12,885 HKD
€1,564 EUR
View
Most Expensive
B
MOH London
E47C3C85E · Nov 1
HK$16,860 HKD
£1,692 GBP
View
2 more retailers have this diamond
Prices start from HK$10,512 HKDSave up to HK$6,348 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$10,512 HKD