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Marquise|Natural|IGI

2.51ct I SI2 Marquise Natural Diamond

VG • I/SI2 • IGI 747550630

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 747550630

Diamond specifications and retailer prices

From HK$125,302 HKD
$15,970 USD
As of November 1, 2026
Save HK$67,542 HKD (35%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$192,844 HKD at MOH London · As of November 2, 2026
View at MOH London

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 747550630. Listed at 11 retailers as of November 1, 2026, with prices from HK$125,302 to HK$192,844, a HK$67,542 spread on the same certified stone. MOH London lists it at HK$192,844. 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
FluorescenceNone
Crown angle39°
Pavilion angle41.1°
OriginNatural
Grading LabIGI
CertificateIGI 747550630
Dimensions12.88 × 6.98 × 4.68 mm
L/W Ratio1.85
Girdle conditionFaceted
Culet sizePointed
Top View
12.88 mm6.98 mm2.51 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 747550630
Side View
Table 57.0%Crown 39°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 67.0%

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$192,844 HKD|Low: HK$122,705 HKD|High: HK$197,796 HKD|Avg: HK$149,213 HKD|+1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 4HK$122,705 HKD
Retailer 12HK$125,302 HKD
Retailer 13HK$130,614 HKD
Retailer 9HK$131,874 HKD
Retailer 11HK$136,295 HKD
Retailer 2HK$144,023 HKD
Retailer 8HK$145,380 HKD
Retailer 7HK$147,656 HKD
Retailer 6HK$149,782 HKD
Retailer 3HK$153,336 HKD
Retailer 5HK$163,870 HKD
Retailer 10HK$174,929 HKD
MOH LondonHK$192,844 HKD

36 data points across 13 retailers

11 retailersHK$125,302 HKD to HK$192,844 HKD

A
Cheapest Retailer
-
HK$125,302 HKD
$15,970 USD
A
Retailer 2
-
HK$130,614 HKD
$16,647 USD
View
Final sale: no returns
A
Retailer 3
-
HK$131,874 HKD
$16,808 USD
View
B+
Retailer 4
-
HK$136,295 HKD
$17,371 USD
View
A
Retailer 5
-
HK$144,023 HKD
£14,454 GBP
View
B+
Retailer 6
-
HK$145,380 HKD
$18,529 USD
View
B+
Retailer 7
-
HK$147,656 HKD
$18,819 USD
View
A
Retailer 8
-
HK$149,782 HKD
€18,181 EUR
View
B+
Retailer 9
-
HK$153,336 HKD
$19,543 USD
View
B+
Retailer 10
-
HK$174,929 HKD
$22,295 USD
View
Most Expensive
B+
MOH London
BC8D35EA9 · Nov 2
HK$192,844 HKD
£19,353 GBP
View
10 more retailers have this diamond
Prices start from HK$125,302 HKDSave up to HK$67,542 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$125,302 HKD