CaratHunter
Plans
Heart|Natural|GIA

1.50ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 6532541638

Certificate GIA 6532541638

Diamond specifications and retailer prices

From $5,354 AUD
As of November 6, 2026
Save $1,014 AUD (16%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,369 AUD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.5ct natural heart diamond

This 1.5ct natural heart sits in the one-and-a-half to two 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 6532541638. Listed at 7 retailers as of November 5, 2026, with prices from $5,354 to $6,369, a $1,014 spread on the same certified stone. Blue Nile lists it at $6,369. 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

1.50
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6532541638
Dimensions7.14 × 7.72 × 4.51 mm
L/W Ratio1.08
Top View
7.14 mm7.72 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6532541638
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 58.4%

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: $6,369 AUD|Low: $5,040 AUD|High: $7,372 AUD|Avg: $6,059 AUD|-13.6%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$5,354 AUD
Retailer 4$5,496 AUD
Retailer 7$5,589 AUD
Retailer 3$5,708 AUD
Retailer 6$5,756 AUD
Retailer 2$5,843 AUD
Blue Nile$6,369 AUD

42 data points across 7 retailers

7 retailers$5,354 AUD to $6,369 AUD

A
Cheapest Retailer
-
$5,354 AUD
A
Retailer 2
-
$5,496 AUD
View
Final sale: no returns
A
Retailer 3
-
$5,589 AUD
View
A
Retailer 4
-
$5,708 AUD
View
A
Retailer 5
-
$5,756 AUD
View
A
Retailer 6
-
$5,843 AUD
View
Most Expensive
A
Blue Nile
26714380 · Nov 5
$6,369 AUD
$4,376 USD
View
6 more retailers have this diamond
Prices start from $5,354 AUDSave up to $1,014 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
1.50ct Heart
$5,354 AUD