CaratHunter
Plans
Round|Natural|GIA

1.80ct N SI1 Round Natural Diamond

EX • N/SI1 • GIA 7556392423

Certificate GIA 7556392423

Diamond specifications and retailer prices

From $5,160 CAD
As of November 5, 2026
Save $4,243 CAD (45%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $9,403 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.8ct natural round diamond

This 1.8ct 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 7556392423. Listed at 8 retailers as of November 5, 2026, with prices from $5,160 to $9,403, a $4,243 spread on the same certified stone. NZ Jewellers lists it at $9,403. 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

1.80
Carat
N
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7556392423
Dimensions7.68 × 7.73 × 4.82 mm
L/W Ratio1.01
Star length50%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud
Top View
7.68 mm7.73 mm1.80 ctN / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7556392423
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.6%

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: Nov 5
Current: $9,403 CAD|Low: $5,160 CAD|High: $9,998 CAD|Avg: $6,340 CAD|-6.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8$5,160 CAD
Retailer 4$5,398 CAD
Retailer 6$5,398 CAD
Retailer 7$5,605 CAD
Retailer 5$6,227 CAD
Retailer 2$6,269 CAD
Retailer 3$6,588 CAD
NZ Jewellers$9,403 CAD

30 data points across 8 retailers

8 retailers$5,160 CAD to $9,403 CAD

B+
Cheapest Retailer
-
$5,160 CAD
B+
Retailer 2
-
$5,398 CAD
View
Retailer 3
-
$5,398 CAD
View
Price last confirmed 8 days ago
B
Retailer 4
-
$5,605 CAD
View
B
Retailer 5
-
$6,227 CAD
View
B
Retailer 6
-
$6,269 CAD
View
B
Retailer 7
-
$6,588 CAD
View
Most Expensive
C
NZ Jewellers
55efd63b-6b65-4e40-81c3-efeaa55dee0f · Nov 5
$9,403 CAD
$6,733 USD
View
7 more retailers have this diamond
Prices start from $5,160 CADSave up to $4,243 CAD

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+
1.80ct Round
$5,160 CAD