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Heart|Natural|GIA

0.80ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 7311720625

Certificate GIA 7311720625

Diamond specifications and retailer prices

From $1,118 AUD
As of November 6, 2026
Save $2,500 AUD (69%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,618 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.8ct natural heart diamond

This 0.8ct natural heart sits in the just-under-one-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 7311720625. Listed at 13 retailers as of November 5, 2026, with prices from $1,118 to $3,618, a $2,500 spread on the same certified stone. NZ Jewellers lists it at $3,618. 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

0.80
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7311720625
Dimensions5.01 × 6.31 × 3.92 mm
L/W Ratio1.26
Top View
5.01 mm6.31 mm0.80 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryGood
FluorescenceMedium
CertificateGIA 7311720625
Side View
Table 57.0%CrownGirdle: NULPavilionCulet: NoneDepth 62.0%

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: $1,544 AUD|Low: $1,099 AUD|High: $2,749 AUD|Avg: $1,817 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 4$1,118 AUD
Retailer 1$1,544 AUD
Retailer 5$1,547 AUD
Retailer 7$1,627 AUD
Retailer 6$1,712 AUD
Retailer 2$1,722 AUD
Retailer 9$1,882 AUD
Retailer 8$2,163 AUD
Retailer 3$2,713 AUD

38 data points across 9 retailers

13 retailers$1,118 AUD to $3,618 AUD

A
Cheapest Retailer
-
$1,118 AUD
B+
Retailer 2
-
$1,451 AUD
View
Retailer 3
-
$1,483 AUD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$1,483 AUD
View
B+
Retailer 5
-
$1,540 AUD
View
B+
Retailer 6
-
$1,544 AUD
View
B+
Retailer 7
-
$1,547 AUD
View
B
Retailer 8
-
$1,712 AUD
View
B
Retailer 9
-
$1,712 AUD
View
B
Retailer 10
-
$1,722 AUD
View
B
Retailer 11
-
$2,113 AUD
View
B
Retailer 12
-
$2,713 AUD
View
Most Expensive
C
NZ Jewellers
6ec3c679-2e35-4def-b2c4-08cdd4e91821 · Nov 5
$3,618 AUD
$2,486 USD
View
12 more retailers have this diamond
Prices start from $1,118 AUDSave up to $2,500 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
0.80ct Heart
$1,118 AUD