Round|Natural|IGI

2.51ct E SI2 Round Natural Diamond

EX • E/SI2 • IGI 803677829

Shape and cutting style on the report: Round brilliant

Certificate IGI 803677829

Diamond specifications and retailer prices

From HK$86,311 HKD
SGD 14,865 SGD
As of October 29, 2026
Save HK$24,629 HKD (22%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$110,940 HKD at The Diamond Guys · As of October 29, 2026
View at The Diamond Guys

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 803677829. Listed at 7 retailers as of October 29, 2026, with prices from HK$86,311 to HK$110,940, a HK$24,629 spread on the same certified stone. The Diamond Guys lists it at HK$110,940. 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.1°
OriginNatural
Grading LabIGI
CertificateIGI 803677829
Dimensions8.80 × 8.84 × 5.15 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
8.80 mm8.84 mm2.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803677829
Side View
Table 60.0%Crown 32.2°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 58.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: HK$102,259 HKD|Low: HK$86,311 HKD|High: HK$129,505 HKD|Avg: HK$105,614 HKD|-5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
The Diamond Guys
October 30, 2026
Retailer 3HK$86,311 HKD
Retailer 2HK$88,139 HKD
Retailer 6HK$89,763 HKD
Retailer 5HK$101,290 HKD
Retailer 1HK$102,259 HKD
Retailer 4HK$108,451 HKD
The Diamond GuysHK$110,940 HKD
Retailer 7HK$129,505 HKD

32 data points across 8 retailers

7 retailersHK$86,311 HKD to HK$110,940 HKD

A
Cheapest Retailer
-
HK$86,311 HKD
SGD 14,865 SGD
A
Retailer 2
-
HK$88,139 HKD
$11,233 USD
View
Retailer 3
-
HK$89,763 HKD
$11,440 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
HK$101,290 HKD
$12,909 USD
View
A
Retailer 5
-
HK$102,259 HKD
€12,412 EUR
View
A
Retailer 6
-
HK$108,451 HKD
$13,822 USD
View
Most Expensive
A
The Diamond Guys
1966792132 · Oct 29
HK$110,940 HKD
$14,139 USD
View
6 more retailers have this diamond
Prices start from HK$86,311 HKDSave up to HK$24,629 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$86,311 HKD