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Round|Natural|GIA

1.50ct K I1 Round Natural Diamond

EX • K/I1 • GIA 2437367505

Certificate GIA 2437367505

Diamond specifications and retailer prices

From $4,625 NZD
As of November 4, 2026
Save $2,236 NZD (33%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,277 NZD at NZ Jewellers · As of September 28, 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 I1 clarity (included), with a top-tier cut grade and certified by GIA 2437367505. Listed at 8 retailers as of November 4, 2026, with a 48% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
K
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2437367505
Dimensions7.32 × 7.26 × 4.60 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.32 mm7.26 mm1.50 ctK / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2437367505
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.1%

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: $6,861 NZD|Low: $4,625 NZD|High: $7,018 NZD|Avg: $5,555 NZD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 2$4,625 NZD
Retailer 7$4,785 NZD
Retailer 4$4,871 NZD
Retailer 3$5,344 NZD
Retailer 6$5,369 NZD
Retailer 1$6,861 NZD
Retailer 5$7,018 NZD

24 data points across 7 retailers

8 retailers$4,625 NZD to $6,861 NZD

A
Cheapest Retailer
-
$4,625 NZD
B+
Retailer 2
-
$4,785 NZD
View
Retailer 3
-
$5,344 NZD
View
Price last confirmed 36 days ago
B+
Retailer 4
-
$5,369 NZD
View
Retailer 5
-
$5,550 NZD
View
Price last confirmed 38 days ago
Retailer 6
-
$6,166 NZD
View
Price last confirmed 38 days ago
B+
Retailer 7
-
$6,861 NZD
View
Most Expensive
NZ Jewellers
425b9c5f-2297-49ad-95fe-a37ba72adacd · Sep 28
$10,277 NZD
$5,777 USD
View
Price last confirmed 39 days ago
7 more retailers have this diamond
Prices start from $4,625 NZDSave up to $2,236 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
$4,625 NZD