CaratHunter
Plans
Heart|Natural|GIA

1.20ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 6545346217

Certificate GIA 6545346217

Diamond specifications and retailer prices

From HK$12,736 HKD
As of November 6, 2026
Save HK$16,576 HKD (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$37,330 HKD at NZ Jewellers · As of October 6, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded G 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 6545346217. Listed at 22 retailers as of November 6, 2026, with a 130% 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 (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6545346217
Dimensions6.56 × 7.55 × 4.33 mm
L/W Ratio1.15
Top View
6.56 mm7.55 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6545346217
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 57.4%

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$29,312 HKD|Low: HK$12,634 HKD|High: HK$31,655 HKD|Avg: HK$17,566 HKD|-7.4%
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
Retailer 14
November 7, 2026
Retailer 12HK$12,736 HKD
Retailer 8HK$13,449 HKD
Retailer 5HK$15,518 HKD
Retailer 14HK$15,926 HKD
Retailer 6HK$16,067 HKD
Retailer 2HK$16,184 HKD
Retailer 11HK$16,255 HKD
Retailer 9HK$16,317 HKD
Retailer 13HK$16,819 HKD
Retailer 3HK$17,634 HKD
Retailer 4HK$17,728 HKD
Retailer 7HK$18,214 HKD
Retailer 10HK$20,526 HKD
Retailer 1HK$29,312 HKD

28 data points across 14 retailers

22 retailersHK$12,736 HKD to HK$29,312 HKD

A
Cheapest Retailer
-
HK$12,736 HKD
A
Retailer 2
-
HK$13,449 HKD
View
A
Retailer 3
-
HK$15,518 HKD
View
Final sale: no returns
A
Retailer 4
-
HK$15,926 HKD
View
A
Retailer 5
-
HK$16,067 HKD
View
A
Retailer 6
-
HK$16,184 HKD
View
A
Retailer 7
-
HK$16,255 HKD
View
A
Retailer 8
-
HK$16,317 HKD
View
Retailer 9
-
HK$16,819 HKD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
HK$17,407 HKD
View
A
Retailer 11
-
HK$17,634 HKD
View
A
Retailer 12
-
HK$17,728 HKD
View
Retailer 13
-
HK$17,854 HKD
View
Price last confirmed 26 days ago
Retailer 14
-
HK$17,854 HKD
View
Price last confirmed 31 days ago
B+
Retailer 15
-
HK$18,214 HKD
View
Retailer 16
-
HK$19,225 HKD
View
Price last confirmed 37 days ago
B+
Retailer 17
-
HK$19,648 HKD
View
B+
Retailer 18
-
HK$20,526 HKD
View
Retailer 19
-
HK$20,605 HKD
View
Price last confirmed 29 days ago
Retailer 20
-
HK$21,953 HKD
View
Price last confirmed 32 days ago
B
Retailer 21
-
HK$29,312 HKD
View
Most Expensive
NZ Jewellers
2edcbfdd-1395-45a7-afdd-932752c2ff52 · Oct 6
HK$37,330 HKD
$4,763 USD
View
Price last confirmed 31 days ago
21 more retailers have this diamond
Prices start from HK$12,736 HKDSave up to HK$16,576 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 Heart
HK$12,736 HKD