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Heart|Natural|GIA

1.02ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 2378237146

Certificate GIA 2378237146

Diamond specifications and retailer prices

From HK$10,533 HKD
As of November 6, 2026
Save HK$10,697 HKD (50%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$21,231 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 1.02ct natural heart diamond

This 1.02ct natural heart sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2378237146. Listed at 9 retailers as of November 2, 2026, with prices from HK$10,533 to HK$21,231, a HK$10,697 spread on the same certified stone. MOH London lists it at HK$21,231. 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

1.02
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2378237146
Dimensions5.99 × 4.98 × 3.83 mm
L/W Ratio1.20
Top View
5.99 mm4.98 mm1.02 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2378237146
Side View
Table 57.0%CrownGirdle: ThickPavilionCulet: NoneDepth 77.0%

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$21,231 HKD|Low: HK$10,432 HKD|High: HK$21,460 HKD|Avg: HK$14,099 HKD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6HK$10,533 HKD
Retailer 7HK$11,247 HKD
Retailer 2HK$11,748 HKD
Retailer 5HK$13,386 HKD
Retailer 8HK$13,872 HKD
Retailer 4HK$14,781 HKD
Retailer 3HK$16,443 HKD
MOH LondonHK$21,231 HKD

30 data points across 8 retailers

9 retailersHK$10,533 HKD to HK$21,231 HKD

A
Cheapest Retailer
-
HK$10,533 HKD
B+
Retailer 2
-
HK$11,231 HKD
View
A
Retailer 3
-
HK$11,247 HKD
View
B+
Retailer 4
-
HK$11,748 HKD
View
B+
Retailer 5
-
HK$13,386 HKD
View
B+
Retailer 6
-
HK$13,872 HKD
View
B+
Retailer 7
-
HK$14,781 HKD
View
B
Retailer 8
-
HK$16,443 HKD
View
Most Expensive
B
MOH London
3B29FA4F8 · Nov 2
HK$21,231 HKD
£2,133 GBP
View
8 more retailers have this diamond
Prices start from HK$10,533 HKDSave up to HK$10,697 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
1.02ct Heart
HK$10,533 HKD