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Heart|Natural|GIA

1.20ct G SI2 Heart Natural Diamond

EX • G/SI2 • GIA 3405774054

Certificate GIA 3405774054

Diamond specifications and retailer prices

From HK$21,780 HKD
As of November 4, 2026
Save HK$27,643 HKD (56%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: HK$49,423 HKD at NZ Jewellers · As of November 5, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3405774054. Listed at 25 retailers as of November 4, 2026, with prices from HK$21,780 to HK$49,423, a HK$27,643 spread on the same certified stone. NZ Jewellers lists it at HK$49,423. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3405774054
Dimensions6.20 × 7.30 × 4.51 mm
L/W Ratio1.18
Top View
6.20 mm7.30 mm1.20 ctG / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 3405774054
Side View
Table 61.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 61.8%

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 4
Current: HK$49,423 HKD|Low: HK$22,047 HKD|High: HK$49,423 HKD|Avg: HK$31,510 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10HK$22,047 HKD
Retailer 6HK$22,533 HKD
Retailer 4HK$22,823 HKD
Retailer 8HK$25,699 HKD
Retailer 7HK$26,686 HKD
Retailer 9HK$27,595 HKD
Retailer 2HK$27,893 HKD
Retailer 3HK$29,359 HKD
Retailer 5HK$47,314 HKD
NZ JewellersHK$49,423 HKD

46 data points across 10 retailers

25 retailersHK$21,780 HKD to HK$49,423 HKD

B+
Cheapest Retailer
-
HK$21,780 HKD
B+
Retailer 2
-
HK$22,047 HKD
View
B+
Retailer 3
-
HK$22,533 HKD
View
Final sale: no returns
B+
Retailer 4
-
HK$22,728 HKD
View
B+
Retailer 5
-
HK$22,823 HKD
View
B+
Retailer 6
-
HK$23,661 HKD
View
B
Retailer 7
-
HK$24,139 HKD
View
Retailer 8
-
HK$25,699 HKD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
HK$25,699 HKD
View
B+
Retailer 10
-
HK$25,816 HKD
View
B
Retailer 11
-
HK$26,271 HKD
View
B
Retailer 12
-
HK$26,686 HKD
View
B
Retailer 13
-
HK$27,595 HKD
View
B+
Retailer 14
-
HK$27,893 HKD
View
B
Retailer 15
-
HK$27,932 HKD
View
B
Retailer 16
-
HK$29,155 HKD
View
B
Retailer 17
-
HK$29,155 HKD
View
B
Retailer 18
-
HK$29,359 HKD
View
B
Retailer 19
-
HK$29,657 HKD
View
B
Retailer 20
-
HK$30,096 HKD
View
Retailer 21
-
HK$32,141 HKD
View
Price last confirmed 14 days ago
B
Retailer 22
-
HK$33,332 HKD
View
B
Retailer 23
-
HK$40,966 HKD
View
B
Retailer 24
-
HK$47,314 HKD
View
Most Expensive
B
NZ Jewellers
17851e43-8b72-421c-a01c-b4fbbf250948 · Nov 5
HK$49,423 HKD
$6,306 USD
View
24 more retailers have this diamond
Prices start from HK$21,780 HKDSave up to HK$27,643 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$21,780 HKD