Round|Natural|GIA

1.50ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 2554742949

Certificate GIA 2554742949

Diamond specifications and retailer prices

From $2,508 USD
As of November 6, 2026
Save $3,370 USD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,878 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2554742949. Listed at 16 retailers as of November 5, 2026, with prices from $2,508 to $5,878, a $3,370 spread on the same certified stone. NZ Jewellers lists it at $5,878. 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
K
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
Crown angle38°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2554742949
Dimensions7.08 × 7.16 × 4.60 mm
L/W Ratio1.01
Star length50%
Culet sizeNone
Key to symbols
Feather, Pinpoint, Natural
Top View
7.08 mm7.16 mm1.50 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2554742949
Side View
Table 57.0%Crown 38°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.6%

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 6
Current: $5,878 USD|Low: $2,483 USD|High: $5,935 USD|Avg: $3,759 USD|-1.0%
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 14$2,508 USD
Retailer 8$2,935 USD
Retailer 7$3,024 USD
Retailer 15$3,030 USD
Retailer 10$3,144 USD
Retailer 12$3,248 USD
Retailer 16$3,374 USD
Retailer 5$3,407 USD
Retailer 6$3,488 USD
Retailer 4$3,504 USD
Retailer 3$3,893 USD
Retailer 9$3,917 USD
Retailer 11$3,924 USD
Retailer 2$4,453 USD
Retailer 13$5,627 USD
NZ Jewellers$5,878 USD

36 data points across 16 retailers

16 retailers$2,508 USD to $5,878 USD

A
Cheapest Retailer
-
$2,508 USD
Retailer 2
-
$2,935 USD
View
Price last confirmed 24 days ago
Retailer 3
-
$3,024 USD
View
Price last confirmed 22 days ago
B+
Retailer 4
-
$3,030 USD
View
B+
Retailer 5
-
$3,144 USD
View
B+
Retailer 6
-
$3,248 USD
View
B+
Retailer 7
-
$3,374 USD
View
Retailer 8
-
$3,407 USD
View
Price last confirmed 25 days ago
Retailer 9
-
$3,488 USD
View
Price last confirmed 24 days ago
B+
Retailer 10
-
$3,504 USD
View
B+
Retailer 11
-
$3,893 USD
View
B+
Retailer 12
-
$3,917 USD
View
B+
Retailer 13
-
$3,924 USD
View
B+
Retailer 14
-
$4,453 USD
View
B
Retailer 15
-
$5,627 USD
View
Most Expensive
B
NZ Jewellers
de90cd4c-683e-4be6-aa48-3892db556a54 · Nov 5
$5,878 USD
View
15 more retailers have this diamond
Prices start from $2,508 USDSave up to $3,370 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
$2,508 USD