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Radiant|Natural|GIA

1.50ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 5506759041

Certificate GIA 5506759041

Diamond specifications and retailer prices

From $14,284 NZD
$8,037 USD
As of November 2, 2026
Save $11,648 NZD (45%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $25,933 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5506759041. Listed at 13 retailers as of October 30, 2026, with prices from $14,284 to $25,933, a $11,648 spread on the same certified stone. NZ Jewellers lists it at $25,933. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5506759041
Dimensions7.90 × 5.63 × 3.83 mm
L/W Ratio1.40
Top View
7.90 mm5.63 mm1.50 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5506759041
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $25,933 NZD|Low: $14,108 NZD|High: $25,933 NZD|Avg: $18,523 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7$14,284 NZD
Retailer 5$15,558 NZD
Retailer 9$15,560 NZD
Retailer 8$16,856 NZD
Retailer 6$17,115 NZD
Retailer 3$17,182 NZD
Retailer 10$19,449 NZD
Retailer 2$19,600 NZD
Retailer 4$24,301 NZD
NZ Jewellers$25,933 NZD

41 data points across 10 retailers

13 retailers$14,284 NZD to $25,933 NZD

B+
Cheapest Retailer
-
$14,284 NZD
$8,037 USD
B+
Retailer 2
-
$14,703 NZD
A$12,727 AUD
View
B+
Retailer 3
-
$14,711 NZD
$8,277 USD
View
B+
Retailer 4
-
$15,558 NZD
$8,754 USD
View
Final sale: no returns
B+
Retailer 5
-
$15,626 NZD
$8,792 USD
View
B+
Retailer 6
-
$16,856 NZD
$9,484 USD
View
B+
Retailer 7
-
$17,115 NZD
$9,630 USD
View
B+
Retailer 8
-
$17,182 NZD
£7,612 GBP
View
B
Retailer 9
-
$18,760 NZD
$10,555 USD
View
B
Retailer 10
-
$19,449 NZD
$10,943 USD
View
B
Retailer 11
-
$19,600 NZD
€10,503 EUR
View
B
Retailer 12
-
$24,301 NZD
£10,766 GBP
View
Most Expensive
B
NZ Jewellers
592b215f-91c5-43b6-a549-8e150094bc27 · Oct 30
$25,933 NZD
$14,591 USD
View
12 more retailers have this diamond
Prices start from $14,284 NZDSave up to $11,648 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.

B+
1.50ct Radiant
$14,284 NZD