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Round|Natural|GIA

1.20ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1529902177

Certificate GIA 1529902177

Diamond specifications and retailer prices

From HK$18,151 HKD
As of November 6, 2026
Save HK$30,817 HKD (63%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$48,968 HKD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct 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 1529902177. Listed at 23 retailers as of November 5, 2026, with prices from HK$18,151 to HK$48,968, a HK$30,817 spread on the same certified stone. NZ Jewellers lists it at HK$48,968. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1529902177
Dimensions6.76 × 6.73 × 4.23 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
6.76 mm6.73 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1529902177
Side View
Table 56.0%Crown 36.5°Girdle: STK-STKPavilion 40.6°Culet: NoneDepth 62.7%

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$48,968 HKD|Low: HK$18,057 HKD|High: HK$48,968 HKD|Avg: HK$26,533 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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 7, 2026
Retailer 6HK$18,151 HKD
Retailer 19HK$19,225 HKD
Retailer 3HK$20,777 HKD
Retailer 15HK$20,973 HKD
Retailer 20HK$22,415 HKD
Retailer 5HK$22,807 HKD
Retailer 11HK$22,846 HKD
Retailer 16HK$22,956 HKD
Retailer 10HK$23,324 HKD
Retailer 8HK$23,426 HKD
Retailer 9HK$23,426 HKD
Retailer 12HK$23,826 HKD
Retailer 7HK$24,539 HKD
Retailer 21HK$25,291 HKD
Retailer 2HK$25,573 HKD
Retailer 14HK$27,023 HKD
Retailer 13HK$28,207 HKD
Retailer 22HK$28,591 HKD
Retailer 17HK$36,271 HKD
Retailer 18HK$37,283 HKD
Retailer 4HK$39,062 HKD
NZ JewellersHK$48,968 HKD

22 data points across 22 retailers

23 retailersHK$18,151 HKD to HK$48,968 HKD

A
Cheapest Retailer
-
HK$18,151 HKD
A
Retailer 2
-
HK$19,225 HKD
View
A
Retailer 3
-
HK$20,777 HKD
View
A
Retailer 4
-
HK$20,973 HKD
View
A
Retailer 5
-
HK$22,415 HKD
View
A
Retailer 6
-
HK$22,807 HKD
View
B+
Retailer 7
-
HK$22,846 HKD
View
B+
Retailer 8
-
HK$22,956 HKD
View
Final sale: no returns
B+
Retailer 9
-
HK$23,324 HKD
View
Retailer 10
-
HK$23,426 HKD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
HK$23,426 HKD
View
B+
Retailer 12
-
HK$23,826 HKD
View
B+
Retailer 13
-
HK$24,539 HKD
View
B+
Retailer 14
-
HK$25,291 HKD
View
B+
Retailer 15
-
HK$25,573 HKD
View
Retailer 16
-
HK$26,146 HKD
View
Price last confirmed 34 days ago
B+
Retailer 17
-
HK$27,023 HKD
View
B+
Retailer 18
-
HK$28,207 HKD
View
B+
Retailer 19
-
HK$28,591 HKD
View
B
Retailer 20
-
HK$36,271 HKD
View
B
Retailer 21
-
HK$37,283 HKD
View
B
Retailer 22
-
HK$39,062 HKD
View
Most Expensive
B
NZ Jewellers
70207aa8-05a6-449f-be79-1473d28e1b34 · Nov 5
HK$48,968 HKD
$6,248 USD
View
22 more retailers have this diamond
Prices start from HK$18,151 HKDSave up to HK$30,817 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
1.20ct Round
HK$18,151 HKD