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Radiant|Natural|GIA

1.50ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 2477222684

Certificate GIA 2477222684

Diamond specifications and retailer prices

From $4,521 NZD
As of November 6, 2026
Save $6,258 NZD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,778 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2477222684. Listed at 15 retailers as of November 5, 2026, with prices from $4,521 to $10,778, a $6,258 spread on the same certified stone. NZ Jewellers lists it at $10,778. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2477222684
Dimensions7.62 × 5.73 × 3.95 mm
L/W Ratio1.33
Culet sizeNone
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal
Top View
7.62 mm5.73 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2477222684
Side View
Table 68.0%CrownGirdlePavilionCulet: NoneDepth 68.9%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $10,778 NZD|Low: $4,521 NZD|High: $11,112 NZD|Avg: $6,072 NZD|-3.0%
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
November 7, 2026
Retailer 4$4,521 NZD
Retailer 3$4,618 NZD
Retailer 13$4,901 NZD
Retailer 8$5,000 NZD
Retailer 6$5,051 NZD
Retailer 7$5,156 NZD
Retailer 14$5,156 NZD
Retailer 5$5,354 NZD
Retailer 15$5,412 NZD
Retailer 2$5,457 NZD
Retailer 12$5,949 NZD
Retailer 9$6,002 NZD
Retailer 10$6,292 NZD
Retailer 11$9,007 NZD
NZ Jewellers$10,778 NZD

29 data points across 15 retailers

15 retailers$4,521 NZD to $10,778 NZD

A
Cheapest Retailer
-
$4,521 NZD
A
Retailer 2
-
$4,618 NZD
View
A
Retailer 3
-
$4,901 NZD
View
A
Retailer 4
-
$5,000 NZD
View
A
Retailer 5
-
$5,051 NZD
View
Retailer 6
-
$5,156 NZD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$5,156 NZD
View
A
Retailer 8
-
$5,354 NZD
View
A
Retailer 9
-
$5,412 NZD
View
A
Retailer 10
-
$5,457 NZD
View
A
Retailer 11
-
$5,949 NZD
View
A
Retailer 12
-
$6,002 NZD
View
A
Retailer 13
-
$6,292 NZD
View
B
Retailer 14
-
$9,007 NZD
View
Most Expensive
B
NZ Jewellers
b1e514a5-1d17-413c-8b6e-dd9382e361b6 · Nov 5
$10,778 NZD
$5,975 USD
View
14 more retailers have this diamond
Prices start from $4,521 NZDSave up to $6,258 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 Radiant
$4,521 NZD