Radiant|Natural|GIA

1.50ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 2447599683

Certificate GIA 2447599683

Diamond specifications and retailer prices

From $15,259 NZD
$8,570 USD
As of October 29, 2026
Save $13,940 NZD (48%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $29,198 NZD at NZ Jewellers · As of October 27, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2447599683. Listed at 18 retailers as of October 27, 2026, with prices from $15,259 to $29,198, a $13,940 spread on the same certified stone. NZ Jewellers lists it at $29,198. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2447599683
Dimensions8.37 × 5.35 × 3.37 mm
L/W Ratio1.56
Top View
8.37 mm5.35 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2447599683
Side View
Table 68.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 63.1%

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: Oct 29
Current: $29,198 NZD|Low: $15,102 NZD|High: $29,198 NZD|Avg: $20,615 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
October 30, 2026
Retailer 11$15,259 NZD
Retailer 9$17,518 NZD
Retailer 13$17,518 NZD
Retailer 3$17,664 NZD
Retailer 12$18,978 NZD
Retailer 2$19,185 NZD
Retailer 10$19,270 NZD
Retailer 8$21,316 NZD
Retailer 4$21,898 NZD
Retailer 7$22,038 NZD
Retailer 5$23,052 NZD
Retailer 6$27,506 NZD
NZ Jewellers$29,198 NZD

44 data points across 13 retailers

18 retailers$15,259 NZD to $29,198 NZD

B+
Cheapest Retailer
-
$15,259 NZD
$8,570 USD
B+
Retailer 2
-
$16,033 NZD
$9,005 USD
View
B+
Retailer 3
-
$16,100 NZD
A$13,912 AUD
View
B+
Retailer 4
-
$16,254 NZD
$9,129 USD
View
B+
Retailer 5
-
$16,688 NZD
$9,373 USD
View
B+
Retailer 6
-
$16,863 NZD
CA$13,154 CAD
View
B+
Retailer 7
-
$17,518 NZD
$9,839 USD
View
B+
Retailer 8
-
$17,518 NZD
$9,839 USD
View
Final sale: no returns
B+
Retailer 9
-
$17,664 NZD
$9,921 USD
View
B
Retailer 10
-
$18,978 NZD
$10,659 USD
View
B+
Retailer 11
-
$19,185 NZD
£8,484 GBP
View
B
Retailer 12
-
$19,270 NZD
$10,823 USD
View
B
Retailer 13
-
$21,316 NZD
$11,972 USD
View
B
Retailer 14
-
$21,898 NZD
$12,299 USD
View
B
Retailer 15
-
$22,038 NZD
€11,788 EUR
View
Retailer 16
-
$23,052 NZD
$12,947 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
$27,506 NZD
£12,164 GBP
View
Most Expensive
B
NZ Jewellers
be5f495e-1551-4dc3-af90-195d7cea154c · Oct 27
$29,198 NZD
$16,399 USD
View
17 more retailers have this diamond
Prices start from $15,259 NZDSave up to $13,940 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
$15,259 NZD