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Round|Natural|GIA

3.06ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 2287620821

Certificate GIA 2287620821

Diamond specifications and retailer prices

From HK$372,216 HKD
As of November 1, 2026
Save HK$302,541 HKD (45%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$674,756 HKD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 3.06ct natural round diamond

This 3.06ct natural round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2287620821. Listed at 19 retailers as of November 1, 2026, with prices from HK$372,216 to HK$674,756, a HK$302,541 spread on the same certified stone. Diamond Quarter lists it at HK$674,756. 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

3.06
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2287620821
Dimensions9.33 × 9.30 × 5.74 mm
L/W Ratio1.00
Star length45%
Lower girdle80%
Top View
9.33 mm9.30 mm3.06 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2287620821
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.7%

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$584,052 HKD|Low: HK$372,216 HKD|High: HK$684,047 HKD|Avg: HK$497,220 HKD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8HK$372,216 HKD
Retailer 7HK$390,103 HKD
Retailer 6HK$392,197 HKD
Retailer 9HK$414,156 HKD
Retailer 3HK$426,332 HKD
Retailer 4HK$504,313 HKD
Retailer 2HK$557,158 HKD
Retailer 1HK$584,052 HKD
Retailer 5HK$674,091 HKD

37 data points across 9 retailers

19 retailersHK$372,216 HKD to HK$674,756 HKD

B+
Cheapest Retailer
-
HK$372,216 HKD
B+
Retailer 2
-
HK$390,103 HKD
View
B+
Retailer 3
-
HK$392,197 HKD
View
Retailer 4
-
HK$414,156 HKD
View
Price last confirmed 33 days ago
B+
Retailer 5
-
HK$418,973 HKD
View
B+
Retailer 6
-
HK$426,332 HKD
View
Retailer 7
-
HK$432,780 HKD
View
Price last confirmed 21 days ago
Retailer 8
-
HK$432,780 HKD
View
Price last confirmed 8 days ago
Retailer 9
-
HK$450,809 HKD
View
Price last confirmed 17 days ago
B+
Retailer 10
-
HK$450,809 HKD
View
Retailer 11
-
HK$450,809 HKD
View
Price last confirmed 22 days ago
Retailer 12
-
HK$468,845 HKD
View
Price last confirmed 17 days ago
Retailer 13
-
HK$486,873 HKD
View
Price last confirmed 16 days ago
B
Retailer 14
-
HK$501,151 HKD
View
B+
Retailer 15
-
HK$504,313 HKD
View
B
Retailer 16
-
HK$557,158 HKD
View
B
Retailer 17
-
HK$584,052 HKD
View
B
Retailer 18
-
HK$674,091 HKD
View
Most Expensive
B
Diamond Quarter
3.06SI1D2221A7BDN · Nov 5
HK$674,756 HKD
£67,723 GBP
View
18 more retailers have this diamond
Prices start from HK$372,216 HKDSave up to HK$302,541 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+
3.06ct Round
HK$372,216 HKD