Round|Natural|GIA

1.50ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7478417499

Certificate GIA 7478417499

Diamond specifications and retailer prices

From $7,299 SGD
As of November 1, 2026
Save $6,400 SGD (47%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $16,442 SGD 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
Colour
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: $9,115 SGD|Low: $6,480 SGD|High: $13,866 SGD|Avg: $9,433 SGD|-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$7,299 SGD
Retailer 13$7,777 SGD
Retailer 5$8,220 SGD
Retailer 2$8,221 SGD
Retailer 11$8,247 SGD
Retailer 10$9,072 SGD
Retailer 1$9,115 SGD
Retailer 4$9,226 SGD
Retailer 14$9,477 SGD
Retailer 6$9,868 SGD
Retailer 3$9,908 SGD
Retailer 8$10,449 SGD
Retailer 7$11,994 SGD
Retailer 9$13,699 SGD

39 data points across 14 retailers

25 retailers$7,299 SGD to $13,699 SGD

A
Cheapest Retailer
-
$7,299 SGD
B+
Retailer 2
-
$7,633 SGD
View
B+
Retailer 3
-
$7,766 SGD
View
B+
Retailer 4
-
$7,777 SGD
View
B+
Retailer 5
-
$7,873 SGD
View
B+
Retailer 6
-
$8,247 SGD
View
B+
Retailer 7
-
$8,756 SGD
View
Retailer 8
-
$8,906 SGD
View
Price last confirmed 36 days ago
Retailer 9
-
$9,021 SGD
View
Price last confirmed 14 days ago
Retailer 10
-
$9,043 SGD
View
Price last confirmed 38 days ago
B+
Retailer 11
-
$9,072 SGD
View
Retailer 12
-
$9,072 SGD
View
Price last confirmed 23 days ago
Retailer 13
-
$9,072 SGD
View
Price last confirmed 35 days ago
B+
Retailer 14
-
$9,115 SGD
View
B+
Retailer 15
-
$9,226 SGD
View
Retailer 16
-
$9,477 SGD
View
Price last confirmed 15 days ago
B+
Retailer 17
-
$9,868 SGD
View
B+
Retailer 18
-
$9,868 SGD
View
B+
Retailer 19
-
$9,908 SGD
View
B+
Retailer 20
-
$10,202 SGD
View
Retailer 21
-
$10,276 SGD
View
Price last confirmed 38 days ago
B+
Retailer 22
-
$10,449 SGD
View
B
Retailer 23
-
$11,994 SGD
View
B
Retailer 24
-
$13,699 SGD
View
Most Expensive
NZ Jewellers
971b4a7f-aa71-426e-a8e1-f21f5d602583 · Sep 26
$16,442 SGD
$12,829 USD
View
Price last confirmed 40 days ago
24 more retailers have this diamond
Prices start from $7,299 SGDSave up to $6,400 SGD

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
$7,299 SGD