Round|Natural|GIA

1.50ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 6561589362

Certificate GIA 6561589362

Diamond specifications and retailer prices

From $2,649 USD
As of November 6, 2026
Save $3,642 USD (58%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,291 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6561589362. Listed at 19 retailers as of November 5, 2026, with prices from $2,649 to $6,291, a $3,642 spread on the same certified stone. NZ Jewellers lists it at $6,291. 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
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 6561589362
Dimensions7.14 × 7.05 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Cloud, Twinning Wisp, Feather, Crystal, Needle
Top View
7.14 mm7.05 mm1.50 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561589362
Side View
Table 57.0%Crown 38°Girdle: STK-THKPavilion 39.8°Culet: NDepth 64.0%

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: $6,291 USD|Low: $2,624 USD|High: $6,291 USD|Avg: $4,015 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 5$2,649 USD
Retailer 11$2,991 USD
Retailer 10$3,206 USD
Retailer 7$3,255 USD
Retailer 17$3,332 USD
Retailer 8$3,357 USD
Retailer 13$3,445 USD
Retailer 6$3,611 USD
Retailer 12$3,689 USD
Retailer 3$3,750 USD
Retailer 18$3,849 USD
Retailer 2$3,931 USD
Retailer 4$4,166 USD
Retailer 15$4,178 USD
Retailer 14$4,203 USD
Retailer 16$4,407 USD
Retailer 9$5,104 USD
Retailer 19$6,022 USD
NZ Jewellers$6,291 USD

13 data points across 19 retailers

19 retailers$2,649 USD to $6,291 USD

A
Cheapest Retailer
-
$2,649 USD
B+
Retailer 2
-
$2,991 USD
View
B+
Retailer 3
-
$3,206 USD
View
Retailer 4
-
$3,255 USD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$3,332 USD
View
B+
Retailer 6
-
$3,357 USD
View
B+
Retailer 7
-
$3,445 USD
View
Retailer 8
-
$3,611 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$3,689 USD
View
B+
Retailer 10
-
$3,750 USD
View
B+
Retailer 11
-
$3,849 USD
View
B+
Retailer 12
-
$3,931 USD
View
B+
Retailer 13
-
$4,166 USD
View
B+
Retailer 14
-
$4,178 USD
View
B+
Retailer 15
-
$4,203 USD
View
B+
Retailer 16
-
$4,407 USD
View
B
Retailer 17
-
$5,104 USD
View
B
Retailer 18
-
$6,022 USD
View
Most Expensive
B
NZ Jewellers
41c6a8a6-8da5-4acd-954e-e52c898fe9db · Nov 5
$6,291 USD
View
18 more retailers have this diamond
Prices start from $2,649 USDSave up to $3,642 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
$2,649 USD