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Heart|Natural|GIA

0.91ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 7551109153

Certificate GIA 7551109153

Diamond specifications and retailer prices

From HK$5,447 HKD
As of November 6, 2026
Save HK$3,611 HKD (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$9,058 HKD at GemTrove · As of November 6, 2026
View at GemTrove

About this 0.91ct natural heart diamond

This 0.91ct natural heart sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551109153. Listed at 6 retailers as of November 6, 2026, with prices from HK$5,447 to HK$9,058, a HK$3,611 spread on the same certified stone. GemTrove lists it at HK$9,058. 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

0.91
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7551109153
Dimensions6.17 × 6.78 × 3.68 mm
L/W Ratio1.10
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
6.17 mm6.78 mm0.91 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7551109153
Side View
Table 61.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 54.2%

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$9,058 HKD|Low: HK$4,742 HKD|High: HK$9,058 HKD|Avg: HK$6,430 HKD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 7, 2026
Retailer 4HK$5,447 HKD
Retailer 6HK$5,447 HKD
Retailer 3HK$5,933 HKD
Retailer 5HK$6,066 HKD
Retailer 2HK$6,348 HKD
GemTroveHK$9,058 HKD

40 data points across 6 retailers

6 retailersHK$5,447 HKD to HK$9,058 HKD

A
Cheapest Retailer
-
HK$5,447 HKD
Final sale: no returns
A
Retailer 2
-
HK$5,447 HKD
View
A
Retailer 3
-
HK$5,933 HKD
View
A
Retailer 4
-
HK$6,066 HKD
View
A
Retailer 5
-
HK$6,348 HKD
View
Most Expensive
B+
GemTrove
GT-N-01266824-98 · Nov 6
HK$9,058 HKD
A$1,778 AUD
View
5 more retailers have this diamond
Prices start from HK$5,447 HKDSave up to HK$3,611 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
0.91ct Heart
HK$5,447 HKD