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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 $5,215 NZD
$2,939 USD
As of October 31, 2026
Save $2,164 NZD (29%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,379 NZD 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 $5,215 to $7,379, a $2,164 spread on the same certified stone. GemTrove lists it at $7,379. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $5,629 NZD|Low: $4,764 NZD|High: $6,599 NZD|Avg: $5,810 NZD|-14.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4$5,215 NZD
Retailer 3$5,312 NZD
Retailer 6$5,395 NZD
Retailer 2$5,463 NZD
Retailer 1$5,629 NZD
Retailer 5$6,115 NZD

45 data points across 6 retailers

8 retailers$5,215 NZD to $7,379 NZD

A
Cheapest Retailer
-
$5,215 NZD
$2,939 USD
A
Retailer 2
-
$5,312 NZD
$2,994 USD
View
Final sale: no returns
A
Retailer 3
-
$5,395 NZD
MYR 12,386 MYR
View
A
Retailer 4
-
$5,463 NZD
₹293,241 INR
View
A
Retailer 5
-
$5,629 NZD
£2,498 GBP
View
A
Retailer 6
-
$6,115 NZD
SGD 4,657 SGD
View
B+
Retailer 7
-
$6,897 NZD
A$5,980 AUD
View
Most Expensive
B+
GemTrove
GT-N-01269925-98 · Nov 2
$7,379 NZD
A$6,398 AUD
View
7 more retailers have this diamond
Prices start from $5,215 NZDSave up to $2,164 NZD

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
$5,215 NZD