Round|Natural|GIA

1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6565419637

Certificate GIA 6565419637

Diamond specifications and retailer prices

From HK$26,813 HKD
As of October 31, 2026
Save HK$30,300 HKD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$63,856 HKD at NZ Jewellers · As of October 23, 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 6565419637. Listed at 20 retailers as of October 31, 2026, with a 113% 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 angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6565419637
Dimensions6.78 × 6.75 × 4.20 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.78 mm6.75 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565419637
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.1%

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$63,856 HKD|Low: HK$25,709 HKD|High: HK$63,856 HKD|Avg: HK$37,220 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
November 1, 2026
Retailer 4HK$26,813 HKD
Retailer 7HK$27,774 HKD
Retailer 16HK$29,037 HKD
Retailer 5HK$29,310 HKD
Retailer 14HK$29,474 HKD
Retailer 6HK$29,578 HKD
Retailer 19HK$29,978 HKD
Retailer 18HK$30,798 HKD
Retailer 2HK$31,667 HKD
Retailer 17HK$31,775 HKD
Retailer 9HK$32,664 HKD
Retailer 15HK$33,491 HKD
Retailer 12HK$34,501 HKD
Retailer 8HK$35,015 HKD
Retailer 11HK$38,460 HKD
Retailer 3HK$44,891 HKD
Retailer 10HK$52,305 HKD
Retailer 13HK$57,114 HKD
NZ JewellersHK$63,856 HKD

11 data points across 19 retailers

20 retailersHK$26,813 HKD to HK$57,114 HKD

A
Cheapest Retailer
-
HK$26,813 HKD
A
Retailer 2
-
HK$27,774 HKD
$3,540 USD
View
B+
Retailer 3
-
HK$29,037 HKD
$3,701 USD
View
B+
Retailer 4
-
HK$29,310 HKD
$3,736 USD
View
B+
Retailer 5
-
HK$29,474 HKD
€3,578 EUR
View
B+
Retailer 6
-
HK$29,578 HKD
$3,770 USD
View
B+
Retailer 7
-
HK$29,978 HKD
$3,821 USD
View
Final sale: no returns
Retailer 8
-
HK$30,708 HKD
$3,914 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
HK$30,798 HKD
A$6,039 AUD
View
B+
Retailer 10
-
HK$31,667 HKD
$4,036 USD
View
B+
Retailer 11
-
HK$31,775 HKD
$4,050 USD
View
B+
Retailer 12
-
HK$32,664 HKD
SGD 5,626 SGD
View
B+
Retailer 13
-
HK$33,491 HKD
£3,361 GBP
View
B+
Retailer 14
-
HK$34,501 HKD
£3,463 GBP
View
B+
Retailer 15
-
HK$35,015 HKD
$4,463 USD
View
Retailer 16
-
HK$38,460 HKD
$4,902 USD
View
Price last confirmed 10 days ago
B
Retailer 17
-
HK$44,891 HKD
ZAR 92,435 ZAR
View
B
Retailer 18
-
HK$52,305 HKD
$6,667 USD
View
B
Retailer 19
-
HK$57,114 HKD
£5,732 GBP
View
Most Expensive
NZ Jewellers
0bb5407c-ebf0-4ee2-9bd6-67360fc3be45 · Oct 23
HK$63,856 HKD
$8,139 USD
View
Price last confirmed 9 days ago
19 more retailers have this diamond
Prices start from HK$26,813 HKDSave up to HK$30,300 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$26,813 HKD