Round|Natural|GIA

1.50ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7478417499

Certificate GIA 7478417499

Diamond specifications and retailer prices

From $5,695 USD
As of November 1, 2026
Save $4,994 USD (47%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $12,829 USD at NZ Jewellers · As of September 26, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round 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 and certified by GIA 7478417499. Listed at 25 retailers as of November 1, 2026, with a 88% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7478417499
Dimensions7.23 × 7.28 × 4.52 mm
L/W Ratio1.01
Star length50%
Lower girdle70%
Girdle conditionFaceted
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Feather
Top View
7.23 mm7.28 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7478417499
Side View
Table 59.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

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 1
Current: $7,112 USD|Low: $5,056 USD|High: $10,819 USD|Avg: $7,360 USD|-0.1%
Retailer 1
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
November 6, 2026
Retailer 12$5,695 USD
Retailer 13$6,068 USD
Retailer 5$6,414 USD
Retailer 2$6,415 USD
Retailer 11$6,435 USD
Retailer 10$7,079 USD
Retailer 1$7,112 USD
Retailer 4$7,199 USD
Retailer 14$7,395 USD
Retailer 6$7,700 USD
Retailer 3$7,731 USD
Retailer 8$8,153 USD
Retailer 7$9,359 USD
Retailer 9$10,689 USD

39 data points across 14 retailers

25 retailers$5,695 USD to $10,689 USD

A
Cheapest Retailer
-
$5,695 USD
B+
Retailer 2
-
$5,956 USD
View
B+
Retailer 3
-
$6,060 USD
View
B+
Retailer 4
-
$6,068 USD
View
B+
Retailer 5
-
$6,143 USD
View
B+
Retailer 6
-
$6,435 USD
View
B+
Retailer 7
-
$6,832 USD
View
Retailer 8
-
$6,949 USD
View
Price last confirmed 36 days ago
Retailer 9
-
$7,039 USD
View
Price last confirmed 14 days ago
Retailer 10
-
$7,056 USD
View
Price last confirmed 38 days ago
B+
Retailer 11
-
$7,079 USD
View
Retailer 12
-
$7,079 USD
View
Price last confirmed 23 days ago
Retailer 13
-
$7,079 USD
View
Price last confirmed 35 days ago
B+
Retailer 14
-
$7,112 USD
View
B+
Retailer 15
-
$7,199 USD
View
Retailer 16
-
$7,395 USD
View
Price last confirmed 15 days ago
B+
Retailer 17
-
$7,700 USD
View
B+
Retailer 18
-
$7,700 USD
View
B+
Retailer 19
-
$7,731 USD
View
B+
Retailer 20
-
$7,960 USD
View
Retailer 21
-
$8,018 USD
View
Price last confirmed 38 days ago
B+
Retailer 22
-
$8,153 USD
View
B
Retailer 23
-
$9,359 USD
View
B
Retailer 24
-
$10,689 USD
View
Most Expensive
NZ Jewellers
971b4a7f-aa71-426e-a8e1-f21f5d602583 · Sep 26
$12,829 USD
View
Price last confirmed 40 days ago
24 more retailers have this diamond
Prices start from $5,695 USDSave up to $4,994 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
1.50ct Round
$5,695 USD