Round|Natural|GIA

1.50ct M SI1 Round Natural Diamond

VG • M/SI1 • GIA 2558114419

Certificate GIA 2558114419

Diamond specifications and retailer prices

From $2,099 USD
As of November 4, 2026
Save $3,507 USD (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,606 USD at NZ Jewellers · As of November 5, 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 M colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2558114419. Listed at 14 retailers as of November 4, 2026, with prices from $2,099 to $5,606, a $3,507 spread on the same certified stone. NZ Jewellers lists it at $5,606. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
M
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle37°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2558114419
Dimensions7.04 × 7.13 × 4.62 mm
L/W Ratio1.01
Top View
7.04 mm7.13 mm1.50 ctM / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2558114419
Side View
Table 59.0%Crown 37°Girdle: THN-THKPavilion 41.2°Culet: NoneDepth 65.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,606 USD|Low: $2,086 USD|High: $5,606 USD|Avg: $2,878 USD
NZ Jewellers
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 5, 2026
Retailer 10$2,099 USD
Retailer 7$2,134 USD
Retailer 5$2,401 USD
Retailer 3$2,640 USD
Retailer 12$2,681 USD
Retailer 14$2,681 USD
Retailer 9$2,691 USD
Retailer 13$2,784 USD
Retailer 11$2,822 USD
Retailer 4$3,094 USD
Retailer 8$3,269 USD
Retailer 2$3,272 USD
Retailer 6$4,059 USD
NZ Jewellers$5,606 USD

44 data points across 14 retailers

14 retailers$2,099 USD to $5,606 USD

B+
Cheapest Retailer
-
$2,099 USD
A
Retailer 2
-
$2,134 USD
View
B+
Retailer 3
-
$2,401 USD
View
B+
Retailer 4
-
$2,640 USD
View
B+
Retailer 5
-
$2,681 USD
View
Retailer 6
-
$2,681 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$2,691 USD
View
B+
Retailer 8
-
$2,784 USD
View
B+
Retailer 9
-
$2,822 USD
View
B+
Retailer 10
-
$3,094 USD
View
B
Retailer 11
-
$3,269 USD
View
B+
Retailer 12
-
$3,272 USD
View
B
Retailer 13
-
$4,059 USD
View
Most Expensive
C
NZ Jewellers
5e3a2bb2-8e81-4293-bf97-d0fb365e2fd7 · Nov 5
$5,606 USD
View
13 more retailers have this diamond
Prices start from $2,099 USDSave up to $3,507 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
$2,099 USD