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2.51ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1558302144

Certificate GIA 1558302144

Diamond specifications and retailer prices

From HK$166,290 HKD
$21,195 USD
As of November 1, 2026
Save HK$75,185 HKD (31%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$241,475 HKD at Diamonds Direct · As of November 1, 2026
View at Diamonds Direct

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1558302144. Listed at 13 retailers as of November 1, 2026, with prices from HK$166,290 to HK$241,475, a HK$75,185 spread on the same certified stone. Diamonds Direct lists it at HK$241,475. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1558302144
Dimensions8.60 × 8.64 × 5.41 mm
L/W Ratio1.00
Culet sizeNone
Top View
8.60 mm8.64 mm2.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558302144
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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: Nov 1
Current: HK$241,475 HKD|Low: HK$160,815 HKD|High: HK$300,231 HKD|Avg: HK$201,060 HKD|-4.2%
Diamonds Direct
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
November 2, 2026
Retailer 9HK$166,290 HKD
Retailer 10HK$172,244 HKD
Retailer 15HK$172,973 HKD
Retailer 4HK$176,542 HKD
Retailer 5HK$182,036 HKD
Retailer 8HK$183,495 HKD
Retailer 11HK$188,801 HKD
Retailer 13HK$199,108 HKD
Retailer 16HK$201,713 HKD
Retailer 12HK$202,045 HKD
Retailer 6HK$204,574 HKD
Retailer 14HK$205,322 HKD
Retailer 2HK$212,148 HKD
Retailer 3HK$227,400 HKD
Diamonds DirectHK$241,475 HKD
Retailer 7HK$294,222 HKD

38 data points across 16 retailers

13 retailersHK$166,290 HKD to HK$241,475 HKD

B+
Cheapest Retailer
-
HK$166,290 HKD
$21,195 USD
B+
Retailer 2
-
HK$172,244 HKD
$21,954 USD
View
B+
Retailer 3
-
HK$172,973 HKD
SGD 29,793 SGD
View
Retailer 4
-
HK$183,495 HKD
$23,388 USD
View
Price last confirmed 27 days ago
B
Retailer 5
-
HK$188,801 HKD
$24,064 USD
View
B
Retailer 6
-
HK$199,108 HKD
$25,378 USD
View
B
Retailer 7
-
HK$201,713 HKD
$25,710 USD
View
B
Retailer 8
-
HK$202,045 HKD
$25,752 USD
View
B+
Retailer 9
-
HK$205,322 HKD
$26,170 USD
View
B
Retailer 10
-
HK$212,148 HKD
$27,040 USD
View
B
Retailer 11
-
HK$218,299 HKD
$27,824 USD
View
B
Retailer 12
-
HK$227,400 HKD
$28,984 USD
View
Most Expensive
B
Diamonds Direct
1136884 · Nov 1
HK$241,475 HKD
$30,778 USD
View
12 more retailers have this diamond
Prices start from HK$166,290 HKDSave up to HK$75,185 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+
2.51ct Round
HK$166,290 HKD