Round|Natural|GIA

2.51ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2414737837

Certificate GIA 2414737837

Diamond specifications and retailer prices

From HK$145,969 HKD
$18,605 USD
As of October 25, 2026
Save HK$117,630 HKD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$263,599 HKD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

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 GIA 2414737837. Listed at 15 retailers as of October 25, 2026, with prices from HK$145,969 to HK$263,599, a HK$117,630 spread on the same certified stone. Diamond Quarter lists it at HK$263,599. 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 angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2414737837
Dimensions8.77 × 8.70 × 5.35 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
8.77 mm8.70 mm2.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2414737837
Side View
Table 61.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.3%

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 25
Current: HK$170,216 HKD|Low: HK$145,969 HKD|High: HK$263,061 HKD|Avg: HK$188,112 HKD|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 5HK$145,969 HKD
Retailer 6HK$152,999 HKD
Retailer 1HK$170,216 HKD
Retailer 7HK$174,755 HKD
Retailer 3HK$192,068 HKD
Retailer 2HK$201,946 HKD
Retailer 4HK$261,317 HKD

43 data points across 7 retailers

15 retailersHK$145,969 HKD to HK$263,599 HKD

A
Cheapest Retailer
-
HK$145,969 HKD
$18,605 USD
B+
Retailer 2
-
HK$152,999 HKD
$19,501 USD
View
B+
Retailer 3
-
HK$166,431 HKD
$21,213 USD
View
B+
Retailer 4
-
HK$170,216 HKD
£17,083 GBP
View
B+
Retailer 5
-
HK$174,755 HKD
$22,274 USD
View
B+
Retailer 6
-
HK$180,059 HKD
$22,950 USD
View
B+
Retailer 7
-
HK$180,059 HKD
$22,950 USD
View
B+
Retailer 8
-
HK$180,302 HKD
$22,981 USD
View
B
Retailer 9
-
HK$186,022 HKD
$23,710 USD
View
B
Retailer 10
-
HK$187,238 HKD
$23,865 USD
View
B+
Retailer 11
-
HK$192,068 HKD
£19,276 GBP
View
B
Retailer 12
-
HK$201,946 HKD
€24,514 EUR
View
B
Retailer 13
-
HK$235,779 HKD
$30,052 USD
View
B
Retailer 14
-
HK$261,317 HKD
£26,226 GBP
View
Most Expensive
B
Diamond Quarter
2.51SI2H2437B93DN · Oct 29
HK$263,599 HKD
£26,455 GBP
View
14 more retailers have this diamond
Prices start from HK$145,969 HKDSave up to HK$117,630 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$145,969 HKD