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Marquise|Natural|IGI

2.51ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 779663216

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 779663216

Diamond specifications and retailer prices

From HK$78,853 HKD
$10,050 USD
As of November 1, 2026
Save HK$33,158 HKD (30%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$112,011 HKD at The Diamond Guys · As of November 2, 2026
View at The Diamond Guys

About this 2.51ct natural marquise diamond

This 2.51ct 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 779663216. Listed at 6 retailers as of November 1, 2026, with prices from HK$78,853 to HK$112,011, a HK$33,158 spread on the same certified stone. The Diamond Guys lists it at HK$112,011. 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

2.51
Carat
I
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle40.1°
Pavilion angle40°
OriginNatural
Grading LabIGI
CertificateIGI 779663216
Dimensions14.13 × 6.95 × 4.18 mm
L/W Ratio2.03
Girdle conditionFaceted
Culet sizePointed
Top View
14.13 mm6.95 mm2.51 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 779663216
Side View
Table 63.0%Crown 40.1°Girdle: MED-THKPavilion 40°Culet: NoneDepth 60.1%

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$95,371 HKD|Low: HK$70,869 HKD|High: HK$130,731 HKD|Avg: HK$98,162 HKD|-14.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
The Diamond Guys
November 3, 2026
Retailer 6HK$70,869 HKD
Retailer 5HK$78,853 HKD
Retailer 4HK$80,030 HKD
Retailer 2HK$90,526 HKD
Retailer 3HK$92,484 HKD
Retailer 1HK$95,371 HKD
The Diamond GuysHK$112,011 HKD
Retailer 7HK$130,731 HKD

33 data points across 8 retailers

6 retailersHK$78,853 HKD to HK$112,011 HKD

A
Cheapest Retailer
-
HK$78,853 HKD
$10,050 USD
A
Retailer 2
-
HK$80,030 HKD
$10,200 USD
View
A
Retailer 3
-
HK$90,526 HKD
$11,538 USD
View
A
Retailer 4
-
HK$92,484 HKD
€11,226 EUR
View
A
Retailer 5
-
HK$95,371 HKD
$12,155 USD
View
Most Expensive
B+
The Diamond Guys
1955283683 · Nov 2
HK$112,011 HKD
$14,276 USD
View
5 more retailers have this diamond
Prices start from HK$78,853 HKDSave up to HK$33,158 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
2.51ct Marquise
HK$78,853 HKD