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Heart|Natural|GIA

1.20ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 3425694896

Certificate GIA 3425694896

Diamond specifications and retailer prices

From HK$21,631 HKD
As of November 6, 2026
Save HK$10,802 HKD (33%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$32,434 HKD at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3425694896. Listed at 3 retailers as of November 5, 2026, with prices from HK$21,631 to HK$32,434, a HK$10,802 spread on the same certified stone. 77 Diamonds lists it at HK$32,434. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3425694896
Dimensions6.67 × 6.99 × 4.33 mm
L/W Ratio1.05
Top View
6.67 mm6.99 mm1.20 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 3425694896
Side View
Table 55.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 61.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$32,434 HKD|Low: HK$21,341 HKD|High: HK$32,879 HKD|Avg: HK$27,127 HKD|+1.1%
77 Diamonds
Retailer 2
November 5, 2026
Retailer 2HK$21,631 HKD
77 DiamondsHK$32,434 HKD

36 data points across 2 retailers

3 retailersHK$21,631 HKD to HK$32,434 HKD

B
Cheapest Retailer
-
HK$21,631 HKD
B+
Retailer 2
-
HK$22,799 HKD
View
Most Expensive
B
77 Diamonds
HSMBDMBKZCBG · Nov 5
HK$32,434 HKD
£3,259 GBP
View
2 more retailers have this diamond
Prices start from HK$21,631 HKDSave up to HK$10,802 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.

B+
1.20ct Heart
HK$21,631 HKD