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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 $1,019 AUD
$714 USD
As of November 1, 2026
Save $1,072 AUD (51%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,582 AUD 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: $3,582 AUD|Low: $1,019 AUD|High: $3,582 AUD|Avg: $1,471 AUD
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 6$1,019 AUD
Retailer 5$1,053 AUD
Retailer 4$1,142 AUD
Retailer 16$1,142 AUD
Retailer 13$1,157 AUD
Retailer 8$1,158 AUD
Retailer 3$1,186 AUD
Retailer 11$1,317 AUD
Retailer 9$1,374 AUD
Retailer 15$1,384 AUD
Retailer 2$1,440 AUD
Retailer 14$1,539 AUD
Retailer 7$1,697 AUD
Retailer 12$1,705 AUD
Retailer 10$2,091 AUD
NZ Jewellers$3,582 AUD

38 data points across 16 retailers

16 retailers$1,019 AUD to $2,091 AUD

B+
Cheapest Retailer
-
$1,019 AUD
$714 USD
B+
Retailer 2
-
$1,053 AUD
$738 USD
View
Final sale: no returns
B+
Retailer 3
-
$1,142 AUD
$800 USD
View
B+
Retailer 4
-
$1,142 AUD
$800 USD
View
B+
Retailer 5
-
$1,157 AUD
$811 USD
View
Retailer 6
-
$1,158 AUD
$811 USD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$1,186 AUD
$831 USD
View
B+
Retailer 8
-
$1,317 AUD
$923 USD
View
B
Retailer 9
-
$1,374 AUD
£758 GBP
View
B
Retailer 10
-
$1,384 AUD
$970 USD
View
B
Retailer 11
-
$1,440 AUD
£795 GBP
View
B
Retailer 12
-
$1,539 AUD
$1,078 USD
View
Retailer 13
-
$1,697 AUD
View
Price last confirmed 29 days ago
B
Retailer 14
-
$1,705 AUD
ZAR 19,309 ZAR
View
B
Retailer 15
-
$2,091 AUD
£1,154 GBP
View
Most Expensive
NZ Jewellers
86cd7c9d-d53c-4752-aec4-6bfea198875c · Oct 30
$3,582 AUD
$2,510 USD
View
Price under review
15 more retailers have this diamond
Prices start from $1,019 AUDSave up to $1,072 AUD

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
$1,019 AUD