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Marquise|Natural|IGI

0.78ct H SI1 Marquise Natural Diamond

VG • H/SI1 • IGI 813687959

Certificate IGI 813687959

Diamond specifications and retailer prices

From HK$4,922 HKD
As of November 6, 2026
Save HK$4,510 HKD (48%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$9,432 HKD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 0.78ct natural marquise diamond

This 0.78ct natural marquise sits in the just-under-one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 813687959. Listed at 3 retailers as of November 6, 2026, with prices from HK$4,922 to HK$9,432, a HK$4,510 spread on the same certified stone. 77 Diamonds lists it at HK$9,432. 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
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabIGI
CertificateIGI 813687959
Dimensions8.90 × 4.12 × 2.70 mm
L/W Ratio2.16
Top View
8.90 mm4.12 mm0.78 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 813687959
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCuletDepth 65.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$9,432 HKD|Low: HK$4,922 HKD|High: HK$10,105 HKD|Avg: HK$7,198 HKD|-6.7%
77 Diamonds
Retailer 2
Retailer 3
November 6, 2026
Retailer 2HK$4,922 HKD
Retailer 3HK$6,529 HKD
77 DiamondsHK$9,432 HKD

26 data points across 3 retailers

3 retailersHK$4,922 HKD to HK$9,432 HKD

A
Cheapest Retailer
-
HK$4,922 HKD
Retailer 2
-
HK$6,529 HKD
View
Price last confirmed 9 days ago
Most Expensive
B+
77 Diamonds
MQCPQYXZCCGV · Nov 6
HK$9,432 HKD
£948 GBP
View
2 more retailers have this diamond
Prices start from HK$4,922 HKDSave up to HK$4,510 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$4,922 HKD