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Heart|Natural|GIA

0.61ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 1525429538

Certificate GIA 1525429538

Diamond specifications and retailer prices

From $665 AUD
MYR 1,898 MYR
As of October 28, 2026
Save $210 AUD (24%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $875 AUD at Blue Nile · As of October 27, 2026
View at Blue Nile

About this 0.61ct natural heart diamond

This 0.61ct natural heart sits in the half to three-quarter 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 1525429538. Listed at 4 retailers as of October 27, 2026, with prices from $665 to $875, a $210 spread on the same certified stone. Blue Nile lists it at $875. 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

0.61
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1525429538
Dimensions5.14 × 5.98 × 3.54 mm
L/W Ratio1.16
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud
Top View
5.14 mm5.98 mm0.61 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1525429538
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $875 AUD|Low: $626 AUD|High: $1,017 AUD|Avg: $790 AUD|-14.0%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 28, 2026
Retailer 5$665 AUD
Retailer 3$678 AUD
Retailer 4$739 AUD
Retailer 2$847 AUD
Blue Nile$875 AUD

35 data points across 5 retailers

4 retailers$665 AUD to $875 AUD

A
Cheapest Retailer
-
$665 AUD
MYR 1,898 MYR
A
Retailer 2
-
$739 AUD
SGD 700 SGD
View
A
Retailer 3
-
$847 AUD
£467 GBP
View
Most Expensive
B+
Blue Nile
25299752 · Oct 27
$875 AUD
$613 USD
View
3 more retailers have this diamond
Prices start from $665 AUDSave up to $210 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
0.61ct Heart
$665 AUD