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4.50ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1508088640

Certificate GIA 1508088640

Diamond specifications and retailer prices

From HK$645,016 HKD
₹7,829,780 INR
As of November 2, 2026
Save HK$191,238 HKD (23%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$836,254 HKD at Yorxs · As of November 1, 2026
View at Yorxs

About this 4.5ct natural round diamond

This 4.5ct natural round sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1508088640. Listed at 3 retailers as of November 1, 2026, with prices from HK$645,016 to HK$836,254, a HK$191,238 spread on the same certified stone. Yorxs lists it at HK$836,254. 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

4.50
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1508088640
Dimensions10.42 × 10.51 × 6.64 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionMedium to Slightly Thick
Cert comments
Pinpoints are not shown. Surface graining is not shown.
Top View
10.42 mm10.51 mm4.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1508088640
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.4%

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 2
Current: HK$645,016 HKD|Low: HK$643,716 HKD|High: HK$839,978 HKD|Avg: HK$746,007 HKD|-0.9%
Retailer 1
Retailer 2
Yorxs
November 2, 2026
Retailer 1HK$645,016 HKD
Retailer 2HK$767,237 HKD
YorxsHK$836,254 HKD

43 data points across 3 retailers

3 retailersHK$645,016 HKD to HK$836,254 HKD

B+
Cheapest Retailer
-
HK$645,016 HKD
₹7,829,780 INR
B
Retailer 2
-
HK$767,237 HKD
£77,001 GBP
View
Most Expensive
B
Yorxs
D47442 · Nov 1
HK$836,254 HKD
€101,512 EUR
View
2 more retailers have this diamond
Prices start from HK$645,016 HKDSave up to HK$191,238 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+
4.50ct Round
HK$645,016 HKD