Heart|Natural|GIA

1.53ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 2537555541

Certificate GIA 2537555541

Diamond specifications and retailer prices

From $4,270 USD
As of November 6, 2026
Save $4,170 USD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,440 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.53ct natural heart diamond

This 1.53ct natural heart sits in the one-and-a-half to two carat band, graded H 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 2537555541. Listed at 15 retailers as of November 5, 2026, with prices from $4,270 to $8,440, a $4,170 spread on the same certified stone. NZ Jewellers lists it at $8,440. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.58°
Pavilion angle39.08°
OriginNatural
Grading LabGIA
CertificateGIA 2537555541
Dimensions7.09 × 8.12 × 4.49 mm
L/W Ratio1.15
Top View
7.09 mm8.12 mm1.53 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537555541
Side View
Table 55.0%Crown 35.58°Girdle: STK-VTKPavilion 39.08°Culet: NoneDepth 55.3%

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: Nov 6
Current: $4,969 USD|Low: $4,270 USD|High: $8,134 USD|Avg: $5,237 USD|-0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 9$4,270 USD
Retailer 6$4,402 USD
Retailer 7$4,657 USD
Retailer 3$4,729 USD
Retailer 10$4,745 USD
Retailer 1$4,969 USD
Retailer 2$5,046 USD
Retailer 8$5,087 USD
Retailer 4$6,157 USD
Retailer 5$8,016 USD

41 data points across 10 retailers

15 retailers$4,270 USD to $8,440 USD

A
Cheapest Retailer
-
$4,270 USD
A
Retailer 2
-
$4,402 USD
View
B+
Retailer 3
-
$4,657 USD
View
Final sale: no returns
A
Retailer 4
-
$4,729 USD
View
B+
Retailer 5
-
$4,745 USD
View
B+
Retailer 6
-
$4,969 USD
View
Retailer 7
-
$5,046 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$5,046 USD
View
B+
Retailer 9
-
$5,046 USD
View
Retailer 10
-
$5,087 USD
View
Price last confirmed 29 days ago
B+
Retailer 11
-
$5,299 USD
View
B+
Retailer 12
-
$5,823 USD
View
B+
Retailer 13
-
$6,157 USD
View
B
Retailer 14
-
$8,016 USD
View
Most Expensive
B
NZ Jewellers
54f1792d-dd47-4831-9e9d-15aaa947d6c0 · Nov 5
$8,440 USD
View
14 more retailers have this diamond
Prices start from $4,270 USDSave up to $4,170 USD

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
$4,270 USD