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Heart|Natural|GIA

0.80ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 6305878632

Certificate GIA 6305878632

Diamond specifications and retailer prices

From $1,173 AUD
As of November 6, 2026
Save $1,697 AUD (59%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,870 AUD at MOH London · As of November 4, 2026
View at MOH London

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 6305878632. Listed at 11 retailers as of November 4, 2026, with prices from $1,173 to $2,870, a $1,697 spread on the same certified stone. MOH London lists it at $2,870. 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
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6305878632
Dimensions5.71 × 4.78 × 3.29 mm
L/W Ratio1.19
Top View
5.71 mm4.78 mm0.80 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6305878632
Side View
Table 59.0%CrownGirdle: ThickPavilionCulet: NoneDepth 68.7%

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: $2,870 AUD|Low: $1,154 AUD|High: $2,891 AUD|Avg: $1,734 AUD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6$1,173 AUD
Retailer 8$1,420 AUD
Retailer 11$1,426 AUD
Retailer 7$1,503 AUD
Retailer 3$1,537 AUD
Retailer 9$1,674 AUD
Retailer 10$1,764 AUD
Retailer 5$1,834 AUD
Retailer 2$2,071 AUD
Retailer 4$2,187 AUD
MOH London$2,870 AUD

30 data points across 11 retailers

11 retailers$1,173 AUD to $2,870 AUD

A
Cheapest Retailer
-
$1,173 AUD
B+
Retailer 2
-
$1,420 AUD
View
B+
Retailer 3
-
$1,426 AUD
View
B+
Retailer 4
-
$1,503 AUD
View
B
Retailer 5
-
$1,623 AUD
View
B
Retailer 6
-
$1,674 AUD
View
B
Retailer 7
-
$1,764 AUD
View
B
Retailer 8
-
$1,834 AUD
View
B
Retailer 9
-
$2,071 AUD
View
B
Retailer 10
-
$2,187 AUD
View
Most Expensive
B
MOH London
80732B353 · Nov 4
$2,870 AUD
£1,553 GBP
View
10 more retailers have this diamond
Prices start from $1,173 AUDSave up to $1,697 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
$1,173 AUD