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Round|Natural|GIA

2.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1518212262

Certificate GIA 1518212262

Diamond specifications and retailer prices

From HK$237,105 HKD
$30,221 USD
As of October 30, 2026
Save HK$198,211 HKD (46%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$435,316 HKD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 2.5ct natural round diamond

This 2.5ct natural round sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1518212262. Listed at 20 retailers as of October 29, 2026, with prices from HK$237,105 to HK$435,316, a HK$198,211 spread on the same certified stone. Diamond Quarter lists it at HK$435,316. 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

2.50
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1518212262
Dimensions8.76 × 8.82 × 5.31 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Cloud, Natural
Top View
8.76 mm8.82 mm2.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1518212262
Side View
Table 61.0%Crown 32.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$314,098 HKD|Low: HK$237,105 HKD|High: HK$418,539 HKD|Avg: HK$292,752 HKD|+2.1%
Retailer 1
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 11HK$237,105 HKD
Retailer 8HK$241,083 HKD
Retailer 10HK$257,143 HKD
Retailer 9HK$262,512 HKD
Retailer 13HK$264,658 HKD
Retailer 4HK$264,800 HKD
Retailer 16HK$267,369 HKD
Retailer 3HK$275,831 HKD
Retailer 17HK$278,044 HKD
Retailer 2HK$283,142 HKD
Retailer 6HK$286,870 HKD
Retailer 12HK$288,732 HKD
Retailer 7HK$297,901 HKD
Retailer 18HK$308,689 HKD
Retailer 1HK$314,098 HKD
Retailer 5HK$315,595 HKD
Retailer 19HK$331,559 HKD
Retailer 15HK$364,216 HKD
Retailer 14HK$415,769 HKD

29 data points across 19 retailers

20 retailersHK$237,105 HKD to HK$435,316 HKD

B+
Cheapest Retailer
-
HK$237,105 HKD
$30,221 USD
B+
Retailer 2
-
HK$241,083 HKD
$30,728 USD
View
B+
Retailer 3
-
HK$257,143 HKD
$32,775 USD
View
Retailer 4
-
HK$262,512 HKD
A$51,476 AUD
View
Price last confirmed 28 days ago
B+
Retailer 5
-
HK$264,658 HKD
£26,561 GBP
View
B+
Retailer 6
-
HK$264,800 HKD
$33,751 USD
View
B+
Retailer 7
-
HK$267,369 HKD
CA$47,331 CAD
View
B+
Retailer 8
-
HK$275,831 HKD
$35,157 USD
View
B+
Retailer 9
-
HK$278,044 HKD
$35,439 USD
View
B
Retailer 10
-
HK$283,142 HKD
$36,089 USD
View
B
Retailer 11
-
HK$286,870 HKD
$36,564 USD
View
B+
Retailer 12
-
HK$288,732 HKD
£28,977 GBP
View
B+
Retailer 13
-
HK$297,901 HKD
$37,970 USD
View
B+
Retailer 14
-
HK$308,689 HKD
$39,345 USD
View
B+
Retailer 15
-
HK$314,098 HKD
€38,128 EUR
View
B+
Retailer 16
-
HK$315,595 HKD
$40,225 USD
View
B
Retailer 17
-
HK$331,559 HKD
$42,260 USD
View
B
Retailer 18
-
HK$364,216 HKD
ZAR 749,958 ZAR
View
B
Retailer 19
-
HK$415,769 HKD
£41,727 GBP
View
Most Expensive
B
Diamond Quarter
2.5SI1D1562EF73N · Oct 29
HK$435,316 HKD
£43,689 GBP
View
19 more retailers have this diamond
Prices start from HK$237,105 HKDSave up to HK$198,211 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.

B+
2.50ct Round
HK$237,105 HKD