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Heart|Natural|GIA

1.53ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 2131639679

Certificate GIA 2131639679

Diamond specifications and retailer prices

From $8,881 AUD
£4,901 GBP
As of November 2, 2026
2 retailers carry this diamond
Most expensive: $8,881 AUD at 77 Diamonds
View at 77 Diamonds

About this 1.53ct natural heart diamond

This 1.53ct natural heart sits in the one-and-a-half to two carat band, graded J 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 2131639679. Listed at 2 retailers as of November 2, 2026. 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

1.53
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2131639679
Dimensions7.17 × 7.74 × 4.03 mm
L/W Ratio1.08
Top View
7.17 mm7.74 mm1.53 ctJ / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2131639679
Side View
Table 59.0%CrownGirdlePavilionCuletDepth 52.1%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 2
Current: $8,881 AUD|Low: $6,631 AUD|High: $8,938 AUD|Avg: $7,747 AUD|+1.7%
77 Diamonds
Retailer 2
November 2, 2026
Retailer 2$6,631 AUD
77 Diamonds$8,881 AUD

34 data points across 2 retailers

2 retailers

Retailer 1
-
$6,631 AUD
$4,647 USD
Price last confirmed 12 days ago
Most Expensive
C
77 Diamonds
HSZFP2GVVXK · Nov 2
$8,881 AUD
£4,901 GBP
View
1 more retailer has this diamond

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.

C
1.53ct Heart
$8,881 AUD