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Marquise|Natural|IGI

0.73ct D SI1 Marquise Natural Diamond

GD • D/SI1 • IGI 823660730

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 823660730

Diamond specifications and retailer prices

From HK$9,682 HKD
$1,234 USD
As of October 29, 2026
Save HK$13,927 HKD (59%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$23,609 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.73ct natural marquise diamond

This 0.73ct natural marquise sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI 823660730. Listed at 9 retailers as of October 29, 2026, with prices from HK$9,682 to HK$23,609, a HK$13,927 spread on the same certified stone. NZ Jewellers lists it at HK$23,609. 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

0.73
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.2°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 823660730
Dimensions8.78 × 4.71 × 3.01 mm
L/W Ratio1.86
Girdle conditionFaceted
Top View
8.78 mm4.71 mm0.73 ctD / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 823660730
Side View
Table 62.0%Crown 33.2°Girdle: THK-ETKPavilion 40.8°Culet: NoneDepth 63.9%

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: Oct 29
Current: HK$23,609 HKD|Low: HK$9,682 HKD|High: HK$24,158 HKD|Avg: HK$13,304 HKD|-2.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7HK$9,682 HKD
Retailer 8HK$9,988 HKD
Retailer 5HK$10,051 HKD
Retailer 9HK$10,549 HKD
Retailer 6HK$10,553 HKD
Retailer 3HK$12,242 HKD
Retailer 2HK$13,140 HKD
Retailer 4HK$17,757 HKD
NZ JewellersHK$23,609 HKD

42 data points across 9 retailers

9 retailersHK$9,682 HKD to HK$23,609 HKD

B+
Cheapest Retailer
-
HK$9,682 HKD
$1,234 USD
B+
Retailer 2
-
HK$9,988 HKD
$1,273 USD
View
B+
Retailer 3
-
HK$10,051 HKD
$1,281 USD
View
B+
Retailer 4
-
HK$10,549 HKD
$1,344 USD
View
B+
Retailer 5
-
HK$10,553 HKD
$1,345 USD
View
B
Retailer 6
-
HK$12,242 HKD
£1,229 GBP
View
B
Retailer 7
-
HK$13,140 HKD
€1,595 EUR
View
Retailer 8
-
HK$17,757 HKD
£1,782 GBP
View
Price last confirmed 7 days ago
Most Expensive
C
NZ Jewellers
4a942ac5-7484-4f5e-bb0c-3b9ba325f973 · Oct 30
HK$23,609 HKD
$3,009 USD
View
8 more retailers have this diamond
Prices start from HK$9,682 HKDSave up to HK$13,927 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+
0.73ct Marquise
HK$9,682 HKD