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Round|Natural|GIA

1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5241078555

Certificate GIA 5241078555

Diamond specifications and retailer prices

From HK$24,102 HKD
As of October 31, 2026
Save HK$29,515 HKD (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$55,555 HKD at NZ Jewellers · As of October 17, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5241078555. Listed at 21 retailers as of October 29, 2026, with a 122% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5241078555
Dimensions6.90 × 6.87 × 4.14 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Cavity, Needle
Top View
6.90 mm6.87 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5241078555
Side View
Table 60.0%Crown 32.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.2%

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: Oct 31
Current: HK$39,196 HKD|Low: HK$24,102 HKD|High: HK$53,975 HKD|Avg: HK$34,952 HKD|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 7HK$24,102 HKD
Retailer 6HK$25,117 HKD
Retailer 13HK$27,920 HKD
Retailer 4HK$29,304 HKD
Retailer 2HK$29,429 HKD
Retailer 10HK$30,774 HKD
Retailer 3HK$31,885 HKD
Retailer 8HK$32,417 HKD
Retailer 5HK$34,191 HKD
Retailer 9HK$36,082 HKD
Retailer 1HK$39,196 HKD
Retailer 11HK$53,158 HKD
Retailer 12HK$53,616 HKD

26 data points across 13 retailers

21 retailersHK$24,102 HKD to HK$53,616 HKD

A
Cheapest Retailer
-
HK$24,102 HKD
A
Retailer 2
-
HK$25,117 HKD
₹304,892 INR
View
B+
Retailer 3
-
HK$27,920 HKD
SGD 4,809 SGD
View
B+
Retailer 4
-
HK$28,543 HKD
$3,638 USD
View
B+
Retailer 5
-
HK$29,280 HKD
$3,732 USD
View
B+
Retailer 6
-
HK$29,304 HKD
$3,735 USD
View
B+
Retailer 7
-
HK$29,429 HKD
$3,751 USD
View
Final sale: no returns
Retailer 8
-
HK$30,347 HKD
SGD 5,227 SGD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
HK$30,774 HKD
£3,089 GBP
View
Retailer 10
-
HK$31,885 HKD
$4,064 USD
View
Price last confirmed 11 days ago
Retailer 11
-
HK$31,885 HKD
$4,064 USD
View
Price last confirmed 19 days ago
Retailer 12
-
HK$31,885 HKD
$4,064 USD
View
Price last confirmed 16 days ago
B+
Retailer 13
-
HK$32,417 HKD
£3,253 GBP
View
B+
Retailer 14
-
HK$33,044 HKD
$4,212 USD
View
Retailer 15
-
HK$34,191 HKD
A$6,704 AUD
View
Price last confirmed 27 days ago
B+
Retailer 16
-
HK$36,082 HKD
€4,380 EUR
View
Retailer 17
-
HK$36,796 HKD
$4,690 USD
View
Price last confirmed 13 days ago
B+
Retailer 18
-
HK$39,196 HKD
ZAR 80,709 ZAR
View
Retailer 19
-
HK$53,158 HKD
£5,335 GBP
View
Price last confirmed 9 days ago
B
Retailer 20
-
HK$53,616 HKD
£5,381 GBP
View
Most Expensive
NZ Jewellers
8e1cc228-1a90-48dd-8d16-6e0c29b4df9c · Oct 17
HK$55,555 HKD
$7,081 USD
View
Price last confirmed 14 days ago
20 more retailers have this diamond
Prices start from HK$24,102 HKDSave up to HK$29,515 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$24,102 HKD