Heart|Natural|GIA

1.53ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 5546018862

Certificate GIA 5546018862

Diamond specifications and retailer prices

From $5,137 USD
As of October 30, 2026
Save $5,016 USD (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,153 USD at NZ Jewellers · As of October 30, 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 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 5546018862. Listed at 15 retailers as of October 30, 2026, with prices from $5,137 to $10,153, a $5,016 spread on the same certified stone. NZ Jewellers lists it at $10,153. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.31°
Pavilion angle41.53°
OriginNatural
Grading LabGIA
CertificateGIA 5546018862
Dimensions6.71 × 7.89 × 4.72 mm
L/W Ratio1.18
Top View
6.71 mm7.89 mm1.53 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546018862
Side View
Table 61.0%Crown 38.31°Girdle: STK-THKPavilion 41.53°Culet: NoneDepth 59.8%

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 30
Current: $10,153 USD|Low: $5,136 USD|High: $10,153 USD|Avg: $6,469 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 2, 2026
Retailer 7$5,137 USD
Retailer 6$5,294 USD
Retailer 12$5,603 USD
Retailer 15$5,655 USD
Retailer 2$5,720 USD
Retailer 8$5,921 USD
Retailer 13$6,001 USD
Retailer 3$6,071 USD
Retailer 4$6,071 USD
Retailer 11$6,071 USD
Retailer 14$6,223 USD
Retailer 5$7,005 USD
Retailer 10$7,459 USD
Retailer 9$8,943 USD
NZ Jewellers$10,153 USD

36 data points across 15 retailers

15 retailers$5,137 USD to $10,153 USD

A
Cheapest Retailer
-
$5,137 USD
A
Retailer 2
-
$5,294 USD
View
B+
Retailer 3
-
$5,603 USD
View
Final sale: no returns
B+
Retailer 4
-
$5,655 USD
View
B+
Retailer 5
-
$5,720 USD
£4,504 GBP
View
B+
Retailer 6
-
$5,921 USD
£4,662 GBP
View
Retailer 7
-
$6,001 USD
A$9,233 AUD
View
Price last confirmed 23 days ago
B+
Retailer 8
-
$6,071 USD
View
B+
Retailer 9
-
$6,071 USD
View
B+
Retailer 10
-
$6,071 USD
View
B+
Retailer 11
-
$6,223 USD
View
B
Retailer 12
-
$7,005 USD
View
B+
Retailer 13
-
$7,459 USD
ZAR 120,497 ZAR
View
B
Retailer 14
-
$8,943 USD
£7,042 GBP
View
Most Expensive
B
NZ Jewellers
d014b7a4-0330-4af6-b1a2-45134150dba9 · Oct 30
$10,153 USD
View
14 more retailers have this diamond
Prices start from $5,137 USDSave up to $5,016 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
$5,137 USD