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Radiant|Natural|GIA

1.20ct I SI1 Radiant Natural Diamond

EX • I/SI1 • GIA 5553693574

Certificate GIA 5553693574

Diamond specifications and retailer prices

From HK$20,181 HKD
As of November 6, 2026
Save HK$23,003 HKD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$43,184 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 5553693574. Listed at 20 retailers as of November 5, 2026, with prices from HK$20,181 to HK$43,184, a HK$23,003 spread on the same certified stone. NZ Jewellers lists it at HK$43,184. 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
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5553693574
Dimensions7.44 × 5.28 × 3.59 mm
L/W Ratio1.41
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.44 mm5.28 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5553693574
Side View
Table 68.0%CrownGirdle: STK-STKPavilionCulet: NoneDepth 68.0%

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$43,184 HKD|Low: HK$18,128 HKD|High: HK$43,262 HKD|Avg: HK$24,641 HKD|-0.2%
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
Retailer 19
November 7, 2026
Retailer 11HK$18,677 HKD
Retailer 9HK$20,181 HKD
Retailer 19HK$20,338 HKD
Retailer 6HK$21,247 HKD
Retailer 10HK$21,341 HKD
Retailer 2HK$21,984 HKD
Retailer 3HK$22,454 HKD
Retailer 5HK$22,454 HKD
Retailer 4HK$23,324 HKD
Retailer 13HK$24,045 HKD
Retailer 18HK$24,398 HKD
Retailer 14HK$25,315 HKD
Retailer 12HK$25,644 HKD
Retailer 7HK$25,910 HKD
Retailer 8HK$27,705 HKD
Retailer 15HK$28,857 HKD
Retailer 16HK$30,252 HKD
Retailer 17HK$41,342 HKD
NZ JewellersHK$43,184 HKD

24 data points across 19 retailers

20 retailersHK$20,181 HKD to HK$43,184 HKD

B+
Cheapest Retailer
-
HK$20,181 HKD
Retailer 2
-
HK$20,236 HKD
View
Price last confirmed 22 days ago
Retailer 3
-
HK$20,236 HKD
View
Price last confirmed 18 days ago
B+
Retailer 4
-
HK$20,338 HKD
View
B+
Retailer 5
-
HK$21,247 HKD
View
Retailer 6
-
HK$21,341 HKD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
HK$21,984 HKD
View
B+
Retailer 8
-
HK$22,454 HKD
View
B+
Retailer 9
-
HK$23,324 HKD
View
Retailer 10
-
HK$23,692 HKD
View
Price last confirmed 31 days ago
B
Retailer 11
-
HK$24,045 HKD
View
B
Retailer 12
-
HK$24,398 HKD
View
B+
Retailer 13
-
HK$25,315 HKD
View
B
Retailer 14
-
HK$25,644 HKD
View
B
Retailer 15
-
HK$25,910 HKD
View
B
Retailer 16
-
HK$27,705 HKD
View
B
Retailer 17
-
HK$28,857 HKD
View
B
Retailer 18
-
HK$30,252 HKD
View
B
Retailer 19
-
HK$41,342 HKD
View
Most Expensive
B
NZ Jewellers
ffc4360b-9be8-481a-9984-68ecb1bbfab8 · Nov 5
HK$43,184 HKD
$5,510 USD
View
19 more retailers have this diamond
Prices start from HK$20,181 HKDSave up to HK$23,003 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$20,181 HKD