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Marquise|Natural|IGI

2.50ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 799675095

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 799675095

Diamond specifications and retailer prices

From HK$57,498 HKD
SGD 9,903 SGD
As of October 31, 2026
Save HK$34,717 HKD (38%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$92,215 HKD at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

About this 2.5ct natural marquise diamond

This 2.5ct natural marquise sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 799675095. Listed at 7 retailers as of October 31, 2026, with prices from HK$57,498 to HK$92,215, a HK$34,717 spread on the same certified stone. The Diamond Guys lists it at HK$92,215. 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

2.50
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle38.5°
OriginNatural
Grading LabIGI
CertificateIGI 799675095
Dimensions12.93 × 6.99 × 4.45 mm
L/W Ratio1.85
Girdle conditionFaceted
Top View
12.93 mm6.99 mm2.50 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 799675095
Side View
Table 57.0%Crown 40.2°Girdle: STK-THKPavilion 38.5°Culet: NoneDepth 63.7%

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: Oct 31
Current: HK$77,343 HKD|Low: HK$57,498 HKD|High: HK$107,971 HKD|Avg: HK$80,319 HKD|-17.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
The Diamond Guys
November 3, 2026
Retailer 4HK$57,498 HKD
Retailer 7HK$58,345 HKD
Retailer 3HK$67,320 HKD
Retailer 5HK$68,520 HKD
Retailer 1HK$77,343 HKD
Retailer 2HK$81,371 HKD
Retailer 6HK$83,182 HKD
The Diamond GuysHK$92,215 HKD
Retailer 8HK$107,971 HKD

30 data points across 9 retailers

7 retailersHK$57,498 HKD to HK$92,215 HKD

A
Cheapest Retailer
-
HK$57,498 HKD
SGD 9,903 SGD
A
Retailer 2
-
HK$67,320 HKD
$8,580 USD
View
A
Retailer 3
-
HK$68,520 HKD
$8,733 USD
View
A
Retailer 4
-
HK$77,343 HKD
$9,857 USD
View
A
Retailer 5
-
HK$81,371 HKD
€9,877 EUR
View
Retailer 6
-
HK$83,182 HKD
$10,602 USD
View
Price last confirmed 7 days ago
Most Expensive
B+
The Diamond Guys
1959627130 · Nov 2
HK$92,215 HKD
$11,753 USD
View
6 more retailers have this diamond
Prices start from HK$57,498 HKDSave up to HK$34,717 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
2.50ct Marquise
HK$57,498 HKD