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Heart|Natural|GIA

1.53ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 2557145863

Certificate GIA 2557145863

Diamond specifications and retailer prices

From $4,194 AUD
$2,939 USD
As of October 31, 2026
Save $1,740 AUD (29%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,934 AUD at GemTrove · As of November 2, 2026
View at GemTrove

About this 1.53ct natural heart diamond

This 1.53ct natural heart sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557145863. Listed at 8 retailers as of October 31, 2026, with prices from $4,194 to $5,934, a $1,740 spread on the same certified stone. GemTrove lists it at $5,934. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557145863
Dimensions7.25 × 7.85 × 4.66 mm
L/W Ratio1.08
Top View
7.25 mm7.85 mm1.53 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557145863
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.4%

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 31
Current: $4,392 AUD|Low: $3,831 AUD|High: $5,307 AUD|Avg: $4,665 AUD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4$4,194 AUD
Retailer 3$4,272 AUD
Retailer 6$4,339 AUD
Retailer 1$4,392 AUD
Retailer 2$4,527 AUD
Retailer 5$4,917 AUD

45 data points across 6 retailers

8 retailers$4,194 AUD to $5,934 AUD

A
Cheapest Retailer
-
$4,194 AUD
$2,939 USD
A
Retailer 2
-
$4,272 AUD
$2,994 USD
View
Final sale: no returns
A
Retailer 3
-
$4,339 AUD
MYR 12,386 MYR
View
A
Retailer 4
-
$4,392 AUD
₹293,146 INR
View
A
Retailer 5
-
$4,527 AUD
£2,498 GBP
View
A
Retailer 6
-
$4,917 AUD
SGD 4,657 SGD
View
B+
Retailer 7
-
$5,546 AUD
View
Most Expensive
B+
GemTrove
GT-N-01269925-98 · Nov 2
$5,934 AUD
View
7 more retailers have this diamond
Prices start from $4,194 AUDSave up to $1,740 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
1.53ct Heart
$4,194 AUD