Radiant|Natural|GIA

1.20ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 2447669421

Certificate GIA 2447669421

Diamond specifications and retailer prices

From HK$25,785 HKD
As of November 6, 2026
Save HK$30,080 HKD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$55,865 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural radiant diamond

This 1.2ct natural radiant sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2447669421. Listed at 17 retailers as of November 5, 2026, with prices from HK$25,785 to HK$55,865, a HK$30,080 spread on the same certified stone. NZ Jewellers lists it at HK$55,865. 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

1.20
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2447669421
Dimensions6.83 × 5.30 × 3.65 mm
L/W Ratio1.29
Top View
6.83 mm5.30 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2447669421
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.9%

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$32,478 HKD|Low: HK$27,282 HKD|High: HK$54,196 HKD|Avg: HK$35,195 HKD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 7HK$27,282 HKD
Retailer 2HK$31,107 HKD
Retailer 1HK$32,478 HKD
Retailer 6HK$32,941 HKD
Retailer 8HK$34,375 HKD
Retailer 3HK$36,083 HKD
Retailer 4HK$39,132 HKD
Retailer 5HK$53,475 HKD

37 data points across 8 retailers

17 retailersHK$25,785 HKD to HK$55,865 HKD

B+
Cheapest Retailer
-
HK$25,785 HKD
B+
Retailer 2
-
HK$27,282 HKD
View
Retailer 3
-
HK$29,045 HKD
View
Price last confirmed 9 days ago
B
Retailer 4
-
HK$30,166 HKD
View
B
Retailer 5
-
HK$31,107 HKD
View
B
Retailer 6
-
HK$32,478 HKD
View
B
Retailer 7
-
HK$32,839 HKD
View
B
Retailer 8
-
HK$32,839 HKD
View
B
Retailer 9
-
HK$32,941 HKD
View
B
Retailer 10
-
HK$33,521 HKD
View
B
Retailer 11
-
HK$33,936 HKD
View
Retailer 12
-
HK$34,375 HKD
View
Price last confirmed 34 days ago
B
Retailer 13
-
HK$36,083 HKD
View
Retailer 14
-
HK$36,287 HKD
View
Price last confirmed 15 days ago
B
Retailer 15
-
HK$39,132 HKD
View
B
Retailer 16
-
HK$53,475 HKD
View
Most Expensive
B
NZ Jewellers
fa093de3-088d-40cf-959a-81fa88147d54 · Nov 5
HK$55,865 HKD
$7,128 USD
View
16 more retailers have this diamond
Prices start from HK$25,785 HKDSave up to HK$30,080 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+
1.20ct Radiant
HK$25,785 HKD