Round|Natural|GIA

1.50ct N SI1 Round Natural Diamond

EX • N/SI1 • GIA 1549482305

Certificate GIA 1549482305

Diamond specifications and retailer prices

From $2,280 USD
As of November 6, 2026
Save $830 USD (27%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,111 USD at NZ Jewellers · As of October 17, 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 1549482305. Listed at 9 retailers as of November 5, 2026, with a 36% 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1549482305
Dimensions7.30 × 7.26 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
7.30 mm7.26 mm1.50 ctN / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1549482305
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

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 6
Current: $2,280 USD|Low: $2,280 USD|High: $3,990 USD|Avg: $3,110 USD|-6.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 1$2,280 USD
Retailer 4$2,584 USD
Retailer 3$3,004 USD
Retailer 2$3,110 USD
Retailer 6$3,663 USD
Retailer 5$3,990 USD

23 data points across 6 retailers

9 retailers$2,280 USD to $3,110 USD

A
Cheapest Retailer
-
$2,280 USD
Retailer 2
-
$2,445 USD
View
Price last confirmed 17 days ago
Retailer 3
-
$2,445 USD
View
Price last confirmed 21 days ago
Retailer 4
-
$2,557 USD
View
Price last confirmed 22 days ago
B+
Retailer 5
-
$2,584 USD
View
Retailer 6
-
$2,821 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$3,004 USD
View
B
Retailer 8
-
$3,110 USD
View
Most Expensive
NZ Jewellers
f878bc63-85ec-4eea-808d-91c261fb5461 · Oct 17
$5,111 USD
View
Price last confirmed 19 days ago
8 more retailers have this diamond
Prices start from $2,280 USDSave up to $830 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
$2,280 USD