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Round|Natural|GIA

2.50ct E SI1 Round Natural Diamond

EX • E/SI1 • GIA 2146621603

Certificate GIA 2146621603

Diamond specifications and retailer prices

From HK$304,778 HKD
$38,843 USD
As of October 29, 2026
Save HK$111,755 HKD (27%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$552,632 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2146621603. Listed at 12 retailers as of October 29, 2026, with a 37% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2146621603
Dimensions8.65 × 8.59 × 5.40 mm
L/W Ratio1.01
Culet sizeNone
Top View
8.65 mm8.59 mm2.50 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2146621603
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.6%

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 29
Current: HK$329,178 HKD|Low: HK$302,165 HKD|High: HK$416,533 HKD|Avg: HK$343,537 HKD|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 3HK$302,165 HKD
Retailer 4HK$304,778 HKD
Retailer 1HK$329,178 HKD
Retailer 2HK$416,533 HKD

46 data points across 4 retailers

12 retailersHK$304,778 HKD to HK$416,533 HKD

Retailer 1
-
HK$302,165 HKD
$38,510 USD
Price last confirmed 12 days ago
B+
Retailer 2
-
HK$304,778 HKD
$38,843 USD
View
B+
Retailer 3
-
HK$322,620 HKD
$41,117 USD
View
B+
Retailer 4
-
HK$323,569 HKD
$41,238 USD
View
B+
Retailer 5
-
HK$329,178 HKD
₹3,995,503 INR
View
B
Retailer 6
-
HK$330,762 HKD
CA$58,548 CAD
View
B
Retailer 7
-
HK$367,368 HKD
$46,820 USD
View
B
Retailer 8
-
HK$367,368 HKD
$46,820 USD
View
B
Retailer 9
-
HK$379,609 HKD
$48,380 USD
View
B
Retailer 10
-
HK$413,733 HKD
$52,729 USD
View
B
Retailer 11
-
HK$416,533 HKD
€50,558 EUR
View
Most Expensive
Diamond Quarter
2.5SI1E2103A4A3N · Oct 29
HK$552,632 HKD
£55,458 GBP
View
Price under review
11 more retailers have this diamond
Prices start from HK$304,778 HKDSave up to HK$111,755 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$304,778 HKD