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Round|Natural|GIA

1.50ct N SI1 Round Natural Diamond

EX • N/SI1 • GIA 1473890101

Certificate GIA 1473890101

Diamond specifications and retailer prices

From $4,483 SGD
As of November 5, 2026
Save $1,216 SGD (21%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,136 SGD at NZ Jewellers · As of September 28, 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 N colour (tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1473890101. Listed at 10 retailers as of November 5, 2026, with a 27% 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
N
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1473890101
Dimensions7.27 × 7.31 × 4.55 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.27 mm7.31 mm1.50 ctN / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1473890101
Side View
Table 58.0%Crown 35°GirdlePavilion 41.2°CuletDepth 62.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $5,425 SGD|Low: $4,483 SGD|High: $7,767 SGD|Avg: $5,545 SGD|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 6$4,483 SGD
Retailer 3$4,670 SGD
Retailer 4$4,855 SGD
Retailer 1$5,425 SGD
Retailer 2$5,699 SGD
Retailer 5$7,767 SGD

21 data points across 6 retailers

10 retailers$4,483 SGD to $5,699 SGD

B
Cheapest Retailer
-
$4,483 SGD
Retailer 2
-
$4,670 SGD
View
Price last confirmed 29 days ago
Retailer 3
-
$4,670 SGD
View
Price last confirmed 8 days ago
B
Retailer 4
-
$4,850 SGD
View
Retailer 5
-
$4,850 SGD
View
Price last confirmed 38 days ago
B
Retailer 6
-
$4,855 SGD
View
Retailer 7
-
$5,388 SGD
View
Price last confirmed 28 days ago
B
Retailer 8
-
$5,425 SGD
View
B
Retailer 9
-
$5,699 SGD
View
Most Expensive
NZ Jewellers
79ec2e0d-0772-4efd-bc00-b422abb732ef · Sep 28
$8,136 SGD
$6,370 USD
View
Price last confirmed 39 days ago
9 more retailers have this diamond
Prices start from $4,483 SGDSave up to $1,216 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.

B
1.50ct Round
$4,483 SGD