CaratHunter
Plans
Round|Natural|GIA

1.21ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6522585574

Certificate GIA 6522585574

Diamond specifications and retailer prices

From HK$21,051 HKD
As of November 6, 2026
Save HK$28,160 HKD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$49,211 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6522585574. Listed at 19 retailers as of November 5, 2026, with prices from HK$21,051 to HK$49,211, a HK$28,160 spread on the same certified stone. NZ Jewellers lists it at HK$49,211. 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

1.21
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6522585574
Dimensions6.79 × 6.73 × 4.22 mm
L/W Ratio1.01
Top View
6.79 mm6.73 mm1.21 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6522585574
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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: Nov 6
Current: HK$49,211 HKD|Low: HK$20,863 HKD|High: HK$49,211 HKD|Avg: HK$30,396 HKD
NZ Jewellers
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
Retailer 17
Retailer 18
November 7, 2026
Retailer 11HK$21,051 HKD
Retailer 18HK$21,067 HKD
Retailer 5HK$25,072 HKD
Retailer 16HK$25,315 HKD
Retailer 10HK$26,067 HKD
Retailer 12HK$27,023 HKD
Retailer 6HK$27,157 HKD
Retailer 4HK$28,246 HKD
Retailer 9HK$28,246 HKD
Retailer 2HK$29,045 HKD
Retailer 13HK$29,328 HKD
Retailer 7HK$29,335 HKD
Retailer 8HK$29,382 HKD
Retailer 3HK$32,588 HKD
Retailer 14HK$32,800 HKD
Retailer 15HK$34,477 HKD
Retailer 17HK$47,236 HKD
NZ JewellersHK$49,211 HKD

25 data points across 18 retailers

19 retailersHK$21,051 HKD to HK$49,211 HKD

A
Cheapest Retailer
-
HK$21,051 HKD
A
Retailer 2
-
HK$21,067 HKD
View
B+
Retailer 3
-
HK$25,072 HKD
View
B+
Retailer 4
-
HK$25,315 HKD
View
B+
Retailer 5
-
HK$26,067 HKD
View
Final sale: no returns
B+
Retailer 6
-
HK$27,023 HKD
View
B+
Retailer 7
-
HK$27,157 HKD
View
B+
Retailer 8
-
HK$28,246 HKD
View
Retailer 9
-
HK$28,246 HKD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
HK$29,045 HKD
View
B+
Retailer 11
-
HK$29,328 HKD
View
B+
Retailer 12
-
HK$29,335 HKD
View
B+
Retailer 13
-
HK$29,382 HKD
View
Retailer 14
-
HK$30,926 HKD
View
Price last confirmed 30 days ago
B+
Retailer 15
-
HK$32,588 HKD
View
B+
Retailer 16
-
HK$32,800 HKD
View
B+
Retailer 17
-
HK$34,477 HKD
View
B
Retailer 18
-
HK$47,236 HKD
View
Most Expensive
B
NZ Jewellers
b925d230-40f5-4a38-baa3-40e6d16c4a2c · Nov 5
HK$49,211 HKD
$6,279 USD
View
18 more retailers have this diamond
Prices start from HK$21,051 HKDSave up to HK$28,160 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
1.21ct Round
HK$21,051 HKD