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Heart|Natural|GIA

0.68ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 2538603150

Certificate GIA 2538603150

Diamond specifications and retailer prices

From HK$3,601 HKD
$459 USD
As of November 2, 2026
Save HK$1,067 HKD (23%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$4,668 HKD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 0.68ct natural heart diamond

This 0.68ct natural heart sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2538603150. Listed at 5 retailers as of October 31, 2026, with prices from HK$3,601 to HK$4,668, a HK$1,067 spread on the same certified stone. Blue Nile lists it at HK$4,668. 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

0.68
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2538603150
Dimensions6.28 × 5.33 × 3.70 mm
L/W Ratio1.18
Top View
6.28 mm5.33 mm0.68 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2538603150
Side View
Table 61.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 59.0%

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 2
Current: HK$4,668 HKD|Low: HK$3,460 HKD|High: HK$5,633 HKD|Avg: HK$4,535 HKD|-17.1%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4HK$3,601 HKD
Retailer 5HK$3,942 HKD
Retailer 2HK$4,522 HKD
Retailer 3HK$4,629 HKD
Blue NileHK$4,668 HKD

39 data points across 5 retailers

5 retailersHK$3,601 HKD to HK$4,668 HKD

A
Cheapest Retailer
-
HK$3,601 HKD
$459 USD
Final sale: no returns
A
Retailer 2
-
HK$3,942 HKD
SGD 679 SGD
View
A
Retailer 3
-
HK$4,522 HKD
£454 GBP
View
A
Retailer 4
-
HK$4,629 HKD
$590 USD
View
Most Expensive
A
Blue Nile
26783101 · Oct 31
HK$4,668 HKD
$595 USD
View
4 more retailers have this diamond
Prices start from HK$3,601 HKDSave up to HK$1,067 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
0.68ct Heart
HK$3,601 HKD