Round|Natural|GIA

2.51ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 6545867048

Certificate GIA 6545867048

Diamond specifications and retailer prices

From HK$108,706 HKD
SGD 18,722 SGD
As of October 30, 2026
Save HK$35,134 HKD (24%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$143,840 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 GIA 6545867048. Listed at 8 retailers as of October 29, 2026, with prices from HK$108,706 to HK$143,840, a HK$35,134 spread on the same certified stone. The Diamond Guys lists it at HK$143,840. 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
FluorescenceMedium
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6545867048
Dimensions8.67 × 8.64 × 5.42 mm
L/W Ratio1.00
Top View
8.67 mm8.64 mm2.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6545867048
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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 30
Current: HK$114,867 HKD|Low: HK$108,706 HKD|High: HK$147,998 HKD|Avg: HK$127,376 HKD|-4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2HK$108,706 HKD
Retailer 1HK$114,867 HKD
Retailer 3HK$117,665 HKD
Retailer 5HK$119,069 HKD
Retailer 8HK$120,599 HKD
Retailer 4HK$134,449 HKD
Retailer 7HK$141,327 HKD
Retailer 6HK$142,399 HKD

39 data points across 8 retailers

8 retailersHK$108,706 HKD to HK$143,840 HKD

A
Cheapest Retailer
-
HK$108,706 HKD
SGD 18,722 SGD
A
Retailer 2
-
HK$114,867 HKD
£11,527 GBP
View
A
Retailer 3
-
HK$117,665 HKD
SGD 20,265 SGD
View
A
Retailer 4
-
HK$119,069 HKD
$15,175 USD
View
Retailer 5
-
HK$120,599 HKD
$15,370 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
HK$134,449 HKD
$17,135 USD
View
A
Retailer 7
-
HK$142,399 HKD
$18,148 USD
View
Most Expensive
A
The Diamond Guys
1931978263 · Oct 29
HK$143,840 HKD
$18,332 USD
View
7 more retailers have this diamond
Prices start from HK$108,706 HKDSave up to HK$35,134 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$108,706 HKD