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Radiant|Natural|GIA

1.21ct D SI1 Radiant Natural Diamond

EX • D/SI1 • GIA 1443103827

Certificate GIA 1443103827

Diamond specifications and retailer prices

From HK$32,541 HKD
As of November 6, 2026
Save HK$39,508 HKD (55%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: HK$72,049 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1443103827. Listed at 29 retailers as of November 5, 2026, with prices from HK$32,541 to HK$72,049, a HK$39,508 spread on the same certified stone. NZ Jewellers lists it at HK$72,049. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1443103827
Dimensions6.70 × 5.35 × 3.73 mm
L/W Ratio1.25
Culet sizeNone
Top View
6.70 mm5.35 mm1.21 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1443103827
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NoneDepth 69.6%

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 6
Current: HK$41,617 HKD|Low: HK$34,312 HKD|High: HK$69,432 HKD|Avg: HK$45,629 HKD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 8HK$34,312 HKD
Retailer 6HK$36,326 HKD
Retailer 1HK$41,617 HKD
Retailer 2HK$41,789 HKD
Retailer 7HK$43,427 HKD
Retailer 3HK$48,466 HKD
Retailer 4HK$52,558 HKD
Retailer 5HK$68,428 HKD

37 data points across 8 retailers

29 retailersHK$32,541 HKD to HK$72,049 HKD

B+
Cheapest Retailer
-
HK$32,541 HKD
B+
Retailer 2
-
HK$33,654 HKD
View
B+
Retailer 3
-
HK$34,030 HKD
View
B+
Retailer 4
-
HK$34,312 HKD
View
Final sale: no returns
B+
Retailer 5
-
HK$34,445 HKD
View
B+
Retailer 6
-
HK$35,527 HKD
View
B+
Retailer 7
-
HK$36,326 HKD
View
B+
Retailer 8
-
HK$36,585 HKD
View
B+
Retailer 9
-
HK$36,718 HKD
View
B
Retailer 10
-
HK$38,670 HKD
View
Retailer 11
-
HK$39,030 HKD
View
Price last confirmed 9 days ago
B
Retailer 12
-
HK$39,030 HKD
View
B
Retailer 13
-
HK$39,030 HKD
View
B
Retailer 14
-
HK$39,696 HKD
View
B
Retailer 15
-
HK$41,617 HKD
View
B
Retailer 16
-
HK$41,789 HKD
View
B
Retailer 17
-
HK$42,534 HKD
View
Retailer 18
-
HK$43,427 HKD
View
Price last confirmed 29 days ago
B
Retailer 19
-
HK$43,733 HKD
View
B
Retailer 20
-
HK$43,733 HKD
View
B
Retailer 21
-
HK$45,034 HKD
View
B
Retailer 22
-
HK$45,222 HKD
View
Retailer 23
-
HK$47,534 HKD
View
Price last confirmed 15 days ago
B
Retailer 24
-
HK$48,466 HKD
View
B
Retailer 25
-
HK$49,619 HKD
View
B
Retailer 26
-
HK$52,558 HKD
View
B
Retailer 27
-
HK$62,378 HKD
View
B
Retailer 28
-
HK$68,428 HKD
View
Most Expensive
B
NZ Jewellers
9a27df5b-79d0-4380-aa40-91ee1a47bf2e · Nov 5
HK$72,049 HKD
$9,193 USD
View
28 more retailers have this diamond
Prices start from HK$32,541 HKDSave up to HK$39,508 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+
1.21ct Radiant
HK$32,541 HKD