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Round|Natural|GIA

1.20ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1543161928

Certificate GIA 1543161928

Diamond specifications and retailer prices

From HK$24,403 HKD
As of November 1, 2026
Save HK$33,106 HKD (58%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$57,509 HKD at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1543161928. Listed at 19 retailers as of October 30, 2026, with prices from HK$24,403 to HK$57,509, a HK$33,106 spread on the same certified stone. NZ Jewellers lists it at HK$57,509. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1543161928
Dimensions6.76 × 6.72 × 4.23 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Needle, Cavity, Natural
Top View
6.76 mm6.72 mm1.20 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1543161928
Side View
Table 57.0%Crown 36.5°Girdle: THN-SLIPavilion 41°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 1
Current: HK$57,509 HKD|Low: HK$24,202 HKD|High: HK$76,554 HKD|Avg: HK$41,781 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
November 1, 2026
Retailer 11HK$24,403 HKD
Retailer 12HK$29,045 HKD
Retailer 14HK$30,465 HKD
Retailer 3HK$31,226 HKD
Retailer 13HK$31,383 HKD
Retailer 2HK$31,761 HKD
Retailer 4HK$31,812 HKD
Retailer 6HK$33,007 HKD
Retailer 9HK$33,558 HKD
Retailer 8HK$36,535 HKD
Retailer 10HK$40,575 HKD
Retailer 7HK$55,201 HKD
NZ JewellersHK$57,509 HKD
Retailer 5HK$76,554 HKD

40 data points across 14 retailers

19 retailersHK$24,403 HKD to HK$57,509 HKD

A
Cheapest Retailer
-
HK$24,403 HKD
Retailer 2
-
HK$26,715 HKD
$3,405 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
HK$28,510 HKD
A$5,591 AUD
View
A
Retailer 4
-
HK$29,045 HKD
$3,702 USD
View
B+
Retailer 5
-
HK$30,465 HKD
$3,883 USD
View
Final sale: no returns
B+
Retailer 6
-
HK$30,782 HKD
SGD 5,302 SGD
View
B+
Retailer 7
-
HK$31,226 HKD
$3,980 USD
View
B+
Retailer 8
-
HK$31,383 HKD
$4,000 USD
View
B+
Retailer 9
-
HK$31,761 HKD
£3,188 GBP
View
B+
Retailer 10
-
HK$31,812 HKD
A$6,238 AUD
View
B+
Retailer 11
-
HK$33,007 HKD
$4,207 USD
View
B+
Retailer 12
-
HK$33,007 HKD
$4,207 USD
View
B+
Retailer 13
-
HK$33,558 HKD
£3,368 GBP
View
B+
Retailer 14
-
HK$34,171 HKD
$4,355 USD
View
B+
Retailer 15
-
HK$36,535 HKD
€4,435 EUR
View
B+
Retailer 16
-
HK$38,091 HKD
$4,855 USD
View
B+
Retailer 17
-
HK$40,575 HKD
ZAR 83,548 ZAR
View
B
Retailer 18
-
HK$55,201 HKD
£5,540 GBP
View
Most Expensive
B
NZ Jewellers
2cfba05b-86f4-4373-9dfc-8950396eabee · Oct 30
HK$57,509 HKD
$7,330 USD
View
18 more retailers have this diamond
Prices start from HK$24,403 HKDSave up to HK$33,106 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$24,403 HKD