Heart|Natural|GIA

1.50ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 1417574633

Certificate GIA 1417574633

Diamond specifications and retailer prices

From $4,586 USD
As of October 29, 2026
Save $6,503 USD (59%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $11,089 USD at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.5ct natural heart diamond

This 1.5ct natural heart sits in the one-and-a-half to two carat band, graded I 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 1417574633. Listed at 23 retailers as of October 27, 2026, with prices from $4,586 to $11,089, a $6,503 spread on the same certified stone. NZ Jewellers lists it at $11,089. 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

1.50
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1417574633
Dimensions6.83 × 8.03 × 4.69 mm
L/W Ratio1.18
Culet sizeNone
Top View
6.83 mm8.03 mm1.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1417574633
Side View
Table 62.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 58.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $11,089 USD|Low: $4,586 USD|High: $11,089 USD|Avg: $6,631 USD
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
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Retailer 19
Retailer 20
October 29, 2026
Retailer 5$4,586 USD
Retailer 13$5,037 USD
Retailer 9$5,116 USD
Retailer 4$5,271 USD
Retailer 10$5,591 USD
Retailer 16$5,600 USD
Retailer 12$5,924 USD
Retailer 3$6,006 USD
Retailer 7$6,006 USD
Retailer 17$6,006 USD
Retailer 19$6,357 USD
Retailer 18$6,367 USD
Retailer 15$6,502 USD
Retailer 20$6,931 USD
Retailer 6$7,286 USD
Retailer 11$7,309 USD
Retailer 14$8,073 USD
Retailer 8$8,154 USD
Retailer 2$9,820 USD
NZ Jewellers$11,089 USD

32 data points across 20 retailers

23 retailers$4,586 USD to $11,089 USD

B+
Cheapest Retailer
-
$4,586 USD
B+
Retailer 2
-
$5,037 USD
£3,966 GBP
View
B+
Retailer 3
-
$5,116 USD
View
B+
Retailer 4
-
$5,238 USD
View
B+
Retailer 5
-
$5,271 USD
View
B+
Retailer 6
-
$5,450 USD
View
B+
Retailer 7
-
$5,450 USD
View
B+
Retailer 8
-
$5,591 USD
View
B+
Retailer 9
-
$5,600 USD
View
B+
Retailer 10
-
$5,630 USD
View
B
Retailer 11
-
$5,924 USD
View
B+
Retailer 12
-
$6,006 USD
View
B+
Retailer 13
-
$6,006 USD
View
B+
Retailer 14
-
$6,006 USD
View
B+
Retailer 15
-
$6,357 USD
View
B+
Retailer 16
-
$6,367 USD
£5,014 GBP
View
Price last confirmed 29 days ago
B+
Retailer 17
-
$6,502 USD
A$10,003 AUD
View
Price last confirmed 25 days ago
B
Retailer 18
-
$6,931 USD
View
Price last confirmed 52 days ago
B
Retailer 19
-
$6,931 USD
View
B
Retailer 20
-
$7,309 USD
View
B
Retailer 21
-
$8,073 USD
ZAR 130,428 ZAR
View
B
Retailer 22
-
$9,820 USD
£7,732 GBP
View
Most Expensive
B
NZ Jewellers
4950776f-620c-4179-857b-303f4b41a2c8 · Oct 27
$11,089 USD
View
22 more retailers have this diamond
Prices start from $4,586 USDSave up to $6,503 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.

B+
1.50ct Heart
$4,586 USD