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Round|Natural|GIA

1.50ct M SI2 Round Natural Diamond

EX • M/SI2 • GIA 2556195059

Certificate GIA 2556195059

Diamond specifications and retailer prices

From $2,828 USD
5 retailers carry this diamond
Most expensive: $5,438 USD at NZ Jewellers
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 M colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556195059. Listed at 5 retailers. 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
M
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2556195059
Dimensions7.28 × 7.33 × 4.58 mm
L/W Ratio1.01
Top View
7.28 mm7.33 mm1.50 ctM / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556195059
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 14
Current: $5,438 USD|Low: $2,406 USD|High: $5,438 USD|Avg: $3,340 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
September 14, 2026
Retailer 8$2,406 USD
Retailer 7$2,523 USD
Retailer 3$2,828 USD
Retailer 5$2,828 USD
Retailer 6$2,859 USD
Retailer 4$3,263 USD
Retailer 2$4,102 USD
Retailer 9$4,689 USD
NZ Jewellers$5,438 USD

9 data points across 9 retailers

5 retailers$2,828 USD to $5,438 USD

B+
Retailer 1
-
$2,828 USD
Price last confirmed 17 days ago
B+
Retailer 2
-
$2,859 USD
View
Price last confirmed 18 days ago
B
Retailer 3
-
$3,263 USD
View
Price last confirmed 25 days ago
B
Retailer 4
-
$4,102 USD
£3,230 GBP
View
Price last confirmed 17 days ago
Most Expensive
C
NZ Jewellers
5bb27d5a-f5ed-46e0-b961-4ed129f03e14 · Sep 12
$5,438 USD
View
Price last confirmed 18 days ago
4 more retailers have this diamond

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.

B+
1.50ct Round
$2,828 USD