Round|Natural|IGI

2.51ct H SI2 Round Natural Diamond

EX • H/SI2 • IGI 825619326

Shape and cutting style on the report: Round brilliant

Certificate IGI 825619326

Diamond specifications and retailer prices

From HK$77,894 HKD
₹945,545 INR
As of October 31, 2026
Save HK$70,696 HKD (48%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$148,590 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 825619326. Listed at 15 retailers as of October 30, 2026, with prices from HK$77,894 to HK$148,590, a HK$70,696 spread on the same certified stone. NZ Jewellers lists it at HK$148,590. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.51
Carat
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.1°
OriginNatural
Grading LabIGI
CertificateIGI 825619326
Dimensions8.77 × 8.82 × 5.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
8.77 mm8.82 mm2.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 825619326
Side View
Table 57.0%Crown 32°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 59.6%

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$148,590 HKD|Low: HK$77,695 HKD|High: HK$148,590 HKD|Avg: HK$106,705 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 2HK$77,894 HKD
Retailer 14HK$91,308 HKD
Retailer 13HK$93,387 HKD
Retailer 5HK$98,409 HKD
Retailer 15HK$99,170 HKD
Retailer 3HK$103,747 HKD
Retailer 11HK$103,822 HKD
Retailer 10HK$104,858 HKD
Retailer 12HK$104,968 HKD
Retailer 4HK$106,615 HKD
Retailer 8HK$107,489 HKD
Retailer 6HK$109,218 HKD
Retailer 7HK$110,711 HKD
Retailer 9HK$139,985 HKD
NZ JewellersHK$148,590 HKD

45 data points across 15 retailers

15 retailersHK$77,894 HKD to HK$148,590 HKD

A
Cheapest Retailer
-
HK$77,894 HKD
₹945,545 INR
A
Retailer 2
-
HK$91,308 HKD
$11,638 USD
View
A
Retailer 3
-
HK$93,387 HKD
$11,903 USD
View
A
Retailer 4
-
HK$98,409 HKD
$12,543 USD
View
A
Retailer 5
-
HK$99,170 HKD
$12,640 USD
View
A
Retailer 6
-
HK$103,747 HKD
$13,223 USD
View
Retailer 7
-
HK$103,822 HKD
£10,420 GBP
View
Price last confirmed 31 days ago
A
Retailer 8
-
HK$104,858 HKD
$13,365 USD
View
A
Retailer 9
-
HK$104,968 HKD
$13,379 USD
View
A
Retailer 10
-
HK$106,615 HKD
$13,589 USD
View
A
Retailer 11
-
HK$107,489 HKD
€13,048 EUR
View
A
Retailer 12
-
HK$109,218 HKD
$13,921 USD
View
A
Retailer 13
-
HK$110,711 HKD
$14,111 USD
View
B+
Retailer 14
-
HK$139,985 HKD
£14,049 GBP
View
Most Expensive
B+
NZ Jewellers
9948dad4-082a-42e7-8916-57c10ffb9eec · Oct 30
HK$148,590 HKD
$18,939 USD
View
14 more retailers have this diamond
Prices start from HK$77,894 HKDSave up to HK$70,696 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 Round
HK$77,894 HKD