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Heart|Natural|GIA

0.70ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 3545764304

Certificate GIA 3545764304

Diamond specifications and retailer prices

From $687 AUD
As of November 6, 2026
Save $2,234 AUD (76%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,921 AUD at NZ Jewellers · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3545764304. Listed at 9 retailers as of November 5, 2026, with prices from $687 to $2,921, a $2,234 spread on the same certified stone. NZ Jewellers lists it at $2,921. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3545764304
Dimensions5.49 × 6.01 × 3.57 mm
L/W Ratio1.09
Top View
5.49 mm6.01 mm0.70 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3545764304
Side View
Table 55.0%CrownGirdle: MediumPavilionCulet: NoneDepth 59.4%

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: $2,921 AUD|Low: $687 AUD|High: $2,957 AUD|Avg: $1,450 AUD|-1.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2$687 AUD
Retailer 8$1,124 AUD
Retailer 9$1,126 AUD
Retailer 4$1,135 AUD
Retailer 7$1,201 AUD
Retailer 3$1,362 AUD
Retailer 5$1,390 AUD
Retailer 6$2,151 AUD
NZ Jewellers$2,921 AUD

36 data points across 9 retailers

9 retailers$687 AUD to $2,921 AUD

A
Cheapest Retailer
-
$687 AUD
B+
Retailer 2
-
$1,124 AUD
View
B+
Retailer 3
-
$1,126 AUD
View
B+
Retailer 4
-
$1,135 AUD
View
B+
Retailer 5
-
$1,201 AUD
View
B+
Retailer 6
-
$1,362 AUD
View
B
Retailer 7
-
$1,390 AUD
View
B
Retailer 8
-
$2,151 AUD
View
Most Expensive
B
NZ Jewellers
d555f923-364d-4452-81d1-57bb3ff5b4ba · Nov 5
$2,921 AUD
$2,007 USD
View
8 more retailers have this diamond
Prices start from $687 AUDSave up to $2,234 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.

A
0.70ct Heart
$687 AUD