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Heart|Natural|GIA

0.70ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 6511998796

Certificate GIA 6511998796

Diamond specifications and retailer prices

From HK$5,602 HKD
$714 USD
As of November 1, 2026
Save HK$5,897 HKD (51%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$19,694 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.7ct natural heart diamond

This 0.7ct natural heart sits in the half to three-quarter carat band, graded I 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 6511998796. Listed at 16 retailers as of November 1, 2026, with a 105% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.70
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6511998796
Dimensions5.20 × 6.14 × 3.77 mm
L/W Ratio1.18
Top View
5.20 mm6.14 mm0.70 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6511998796
Side View
Table 56.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 61.3%

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 1
Current: HK$19,694 HKD|Low: HK$5,602 HKD|High: HK$19,694 HKD|Avg: HK$8,088 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 6HK$5,602 HKD
Retailer 5HK$5,790 HKD
Retailer 4HK$6,277 HKD
Retailer 16HK$6,277 HKD
Retailer 13HK$6,363 HKD
Retailer 8HK$6,367 HKD
Retailer 3HK$6,520 HKD
Retailer 11HK$7,242 HKD
Retailer 9HK$7,554 HKD
Retailer 15HK$7,611 HKD
Retailer 2HK$7,917 HKD
Retailer 14HK$8,462 HKD
Retailer 7HK$9,331 HKD
Retailer 12HK$9,378 HKD
Retailer 10HK$11,499 HKD
NZ JewellersHK$19,694 HKD

38 data points across 16 retailers

16 retailersHK$5,602 HKD to HK$11,499 HKD

B+
Cheapest Retailer
-
HK$5,602 HKD
$714 USD
B+
Retailer 2
-
HK$5,790 HKD
$738 USD
View
Final sale: no returns
B+
Retailer 3
-
HK$6,277 HKD
$800 USD
View
B+
Retailer 4
-
HK$6,277 HKD
$800 USD
View
B+
Retailer 5
-
HK$6,363 HKD
$811 USD
View
Retailer 6
-
HK$6,367 HKD
$811 USD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
HK$6,520 HKD
$831 USD
View
B+
Retailer 8
-
HK$7,242 HKD
$923 USD
View
B
Retailer 9
-
HK$7,554 HKD
£758 GBP
View
B
Retailer 10
-
HK$7,611 HKD
$970 USD
View
B
Retailer 11
-
HK$7,917 HKD
£795 GBP
View
B
Retailer 12
-
HK$8,462 HKD
$1,078 USD
View
Retailer 13
-
HK$9,331 HKD
A$1,830 AUD
View
Price last confirmed 29 days ago
B
Retailer 14
-
HK$9,378 HKD
ZAR 19,309 ZAR
View
B
Retailer 15
-
HK$11,499 HKD
£1,154 GBP
View
Most Expensive
NZ Jewellers
86cd7c9d-d53c-4752-aec4-6bfea198875c · Oct 30
HK$19,694 HKD
$2,510 USD
View
Price under review
15 more retailers have this diamond
Prices start from HK$5,602 HKDSave up to HK$5,897 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+
0.70ct Heart
HK$5,602 HKD