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Radiant|Natural|GIA

1.50ct I SI1 Radiant Natural Diamond

GD • I/SI1 • GIA 2566543875

Certificate GIA 2566543875

Diamond specifications and retailer prices

From $7,216 NZD
₹386,653 INR
As of November 2, 2026
Save $8,720 NZD (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $15,935 NZD at NZ Jewellers · As of October 30, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2566543875. Listed at 20 retailers as of October 30, 2026, with prices from $7,216 to $15,935, a $8,720 spread on the same certified stone. NZ Jewellers lists it at $15,935. 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
I
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2566543875
Dimensions7.55 × 5.48 × 3.87 mm
L/W Ratio1.38
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Indented Natural, Natural
Top View
7.55 mm5.48 mm1.50 ctI / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566543875
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 70.6%

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 2
Current: $15,935 NZD|Low: $7,216 NZD|High: $16,689 NZD|Avg: $10,152 NZD|-4.5%
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 2, 2026
Retailer 2$7,216 NZD
Retailer 7$7,859 NZD
Retailer 9$8,062 NZD
Retailer 6$8,309 NZD
Retailer 10$8,663 NZD
Retailer 4$8,931 NZD
Retailer 12$9,040 NZD
Retailer 14$9,297 NZD
Retailer 11$9,528 NZD
Retailer 18$9,528 NZD
Retailer 19$9,528 NZD
Retailer 3$9,624 NZD
Retailer 17$9,800 NZD
Retailer 8$9,935 NZD
Retailer 13$10,779 NZD
Retailer 5$10,993 NZD
Retailer 16$11,711 NZD
Retailer 15$15,175 NZD
NZ Jewellers$15,935 NZD

16 data points across 19 retailers

20 retailers$7,216 NZD to $15,935 NZD

A
Cheapest Retailer
-
$7,216 NZD
₹386,653 INR
B+
Retailer 2
-
$7,859 NZD
A$6,803 AUD
View
A
Retailer 3
-
$8,062 NZD
$4,536 USD
View
A
Retailer 4
-
$8,309 NZD
$4,675 USD
View
B+
Retailer 5
-
$8,663 NZD
$4,874 USD
View
B+
Retailer 6
-
$8,931 NZD
$5,025 USD
View
B+
Retailer 7
-
$9,040 NZD
£4,005 GBP
View
B+
Retailer 8
-
$9,297 NZD
£4,119 GBP
View
B+
Retailer 9
-
$9,528 NZD
$5,361 USD
View
B+
Retailer 10
-
$9,528 NZD
$5,361 USD
View
B+
Retailer 11
-
$9,528 NZD
$5,361 USD
View
B+
Retailer 12
-
$9,624 NZD
$5,415 USD
View
B+
Retailer 13
-
$9,800 NZD
$5,514 USD
View
B+
Retailer 14
-
$9,935 NZD
$5,590 USD
View
Retailer 15
-
$10,259 NZD
A$8,881 AUD
View
Price last confirmed 15 days ago
B+
Retailer 16
-
$10,779 NZD
€5,776 EUR
View
B+
Retailer 17
-
$10,993 NZD
$6,185 USD
View
B
Retailer 18
-
$11,711 NZD
ZAR 106,451 ZAR
View
B
Retailer 19
-
$15,175 NZD
£6,723 GBP
View
Most Expensive
B
NZ Jewellers
f4309533-d2d6-4892-8a7a-c4b35b1cd322 · Oct 30
$15,935 NZD
$8,966 USD
View
19 more retailers have this diamond
Prices start from $7,216 NZDSave up to $8,720 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
$7,216 NZD