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Heart|Natural|GIA

0.30ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 5242056015

Certificate GIA 5242056015

Diamond specifications and retailer prices

From $508 AUD
$356 USD
As of November 1, 2026
Save $664 AUD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,172 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 0.3ct natural heart diamond

This 0.3ct natural heart sits in the sub-half-carat band, graded G 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 5242056015. Listed at 16 retailers as of November 1, 2026, with prices from $508 to $1,172, a $664 spread on the same certified stone. MOH London lists it at $1,172. 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

0.30
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5242056015
Dimensions4.07 × 4.33 × 2.74 mm
L/W Ratio1.06
Culet sizeNone
Key to symbols
Twinning Wisp, Cavity, Feather
Top View
4.07 mm4.33 mm0.30 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5242056015
Side View
Table 60.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 63.2%

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: $1,172 AUD|Low: $479 AUD|High: $1,945 AUD|Avg: $832 AUD|-0.2%
MOH London
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
November 2, 2026
Retailer 5$508 AUD
Retailer 14$533 AUD
Retailer 12$566 AUD
Retailer 10$585 AUD
Retailer 7$658 AUD
Retailer 6$683 AUD
Retailer 9$695 AUD
Retailer 3$713 AUD
Retailer 8$787 AUD
Retailer 11$813 AUD
Retailer 2$845 AUD
Retailer 13$1,039 AUD
MOH London$1,172 AUD
Retailer 4$1,945 AUD

45 data points across 14 retailers

16 retailers$508 AUD to $1,172 AUD

B+
Cheapest Retailer
-
$508 AUD
$356 USD
B+
Retailer 2
-
$533 AUD
SGD 505 SGD
View
B+
Retailer 3
-
$547 AUD
$383 USD
View
B+
Retailer 4
-
$566 AUD
$397 USD
View
B+
Retailer 5
-
$585 AUD
$410 USD
View
B
Retailer 6
-
$658 AUD
£363 GBP
View
B
Retailer 7
-
$683 AUD
$479 USD
View
B
Retailer 8
-
$694 AUD
$486 USD
View
B
Retailer 9
-
$695 AUD
£384 GBP
View
B
Retailer 10
-
$713 AUD
$500 USD
View
B
Retailer 11
-
$734 AUD
$515 USD
View
B
Retailer 12
-
$787 AUD
ZAR 8,907 ZAR
View
Retailer 13
-
$813 AUD
View
Price last confirmed 29 days ago
B
Retailer 14
-
$845 AUD
€564 EUR
View
Most Expensive
B
MOH London
E1975C077 · Nov 2
$1,172 AUD
£647 GBP
View
14 more retailers have this diamond
Prices start from $508 AUDSave up to $664 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+
0.30ct Heart
$508 AUD