Heart|Natural|GIA

2.31ct K SI2 Heart Natural Diamond

ID • K/SI2 • GIA 1388709015

Certificate GIA 1388709015

Diamond specifications and retailer prices

From HK$51,163 HKD
As of November 6, 2026
Save HK$28,376 HKD (36%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$79,538 HKD at MOH London · As of November 7, 2026
View at MOH London

About this 2.31ct natural heart diamond

This 2.31ct natural heart sits in the two to three 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 1388709015. Listed at 5 retailers as of November 6, 2026, with prices from HK$51,163 to HK$79,538, a HK$28,376 spread on the same certified stone. MOH London lists it at HK$79,538. 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

2.31
Carat
K
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1388709015
Dimensions9.22 × 5.49 × 7.64 mm
L/W Ratio1.68
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Natural
Top View
9.22 mm5.49 mm2.31 ctK / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1388709015
Side View
Table 56.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 59.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$79,538 HKD|Low: HK$47,495 HKD|High: HK$96,455 HKD|Avg: HK$66,680 HKD|-6.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 7HK$47,495 HKD
Retailer 4HK$51,163 HKD
Retailer 2HK$55,646 HKD
Retailer 5HK$57,111 HKD
Retailer 3HK$62,347 HKD
Retailer 6HK$67,511 HKD
MOH LondonHK$79,538 HKD
Retailer 8HK$96,455 HKD

27 data points across 8 retailers

5 retailersHK$51,163 HKD to HK$79,538 HKD

A
Cheapest Retailer
-
HK$51,163 HKD
B+
Retailer 2
-
HK$55,646 HKD
View
B+
Retailer 3
-
HK$57,111 HKD
View
B+
Retailer 4
-
HK$62,347 HKD
View
Most Expensive
B+
MOH London
52364E8E5 · Nov 7
HK$79,538 HKD
£7,991 GBP
View
4 more retailers have this diamond
Prices start from HK$51,163 HKDSave up to HK$28,376 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
2.31ct Heart
HK$51,163 HKD