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Round|Natural|GIA

1.50ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 7546878538

Certificate GIA 7546878538

Diamond specifications and retailer prices

From $4,212 NZD
As of November 6, 2026
Save $5,783 NZD (58%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $9,996 NZD 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 7546878538. Listed at 17 retailers as of November 5, 2026, with prices from $4,212 to $9,996, a $5,783 spread on the same certified stone. NZ Jewellers lists it at $9,996. 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
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle37°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7546878538
Dimensions7.10 × 7.20 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Needle, Cloud, Pinpoint, Indented Natural
Top View
7.10 mm7.20 mm1.50 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 7546878538
Side View
Table 58.0%Crown 37°Girdle: STK-THKPavilion 41°Culet: NoneDepth 64.3%

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: $9,996 NZD|Low: $4,212 NZD|High: $9,996 NZD|Avg: $6,588 NZD
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 6, 2026
Retailer 14$4,212 NZD
Retailer 3$4,876 NZD
Retailer 13$4,981 NZD
Retailer 8$5,467 NZD
Retailer 4$5,737 NZD
Retailer 7$5,867 NZD
Retailer 6$6,148 NZD
Retailer 2$6,247 NZD
Retailer 5$6,621 NZD
Retailer 9$6,641 NZD
Retailer 11$6,674 NZD
Retailer 10$7,002 NZD
Retailer 12$9,569 NZD
NZ Jewellers$9,996 NZD

36 data points across 14 retailers

17 retailers$4,212 NZD to $9,996 NZD

A
Cheapest Retailer
-
$4,212 NZD
A
Retailer 2
-
$4,876 NZD
View
B+
Retailer 3
-
$4,981 NZD
View
B+
Retailer 4
-
$5,095 NZD
View
B+
Retailer 5
-
$5,467 NZD
View
Retailer 6
-
$5,737 NZD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$5,867 NZD
View
Retailer 8
-
$5,958 NZD
View
Price last confirmed 38 days ago
B+
Retailer 9
-
$6,148 NZD
View
B+
Retailer 10
-
$6,247 NZD
View
B+
Retailer 11
-
$6,621 NZD
View
B+
Retailer 12
-
$6,641 NZD
View
B+
Retailer 13
-
$6,674 NZD
View
B+
Retailer 14
-
$7,002 NZD
View
B
Retailer 15
-
$8,108 NZD
View
B
Retailer 16
-
$9,569 NZD
View
Most Expensive
B
NZ Jewellers
42a7469c-6b90-48c4-a836-741e832470b3 · Nov 5
$9,996 NZD
$5,619 USD
View
16 more retailers have this diamond
Prices start from $4,212 NZDSave up to $5,783 NZD

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
$4,212 NZD