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Radiant|Natural|GIA

1.50ct E SI1 Radiant Natural Diamond

GD • E/SI1 • GIA 6551332569

Certificate GIA 6551332569

Diamond specifications and retailer prices

From $7,946 AUD
₹531,677 INR
As of October 29, 2026
Save $9,655 AUD (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $17,602 AUD 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 SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6551332569. Listed at 21 retailers as of October 27, 2026, with prices from $7,946 to $17,602, a $9,655 spread on the same certified stone. NZ Jewellers lists it at $17,602. 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
E
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551332569
Dimensions7.29 × 5.61 × 4.08 mm
L/W Ratio1.30
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.29 mm5.61 mm1.50 ctE / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551332569
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 72.7%

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: Oct 29
Current: $17,602 AUD|Low: $7,616 AUD|High: $17,706 AUD|Avg: $10,388 AUD|-0.6%
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
Retailer 20
October 30, 2026
Retailer 17$7,946 AUD
Retailer 19$8,273 AUD
Retailer 6$8,343 AUD
Retailer 13$8,579 AUD
Retailer 15$8,933 AUD
Retailer 7$9,178 AUD
Retailer 10$9,406 AUD
Retailer 16$9,658 AUD
Retailer 18$9,672 AUD
Retailer 12$9,799 AUD
Retailer 2$9,865 AUD
Retailer 14$10,035 AUD
Retailer 3$10,463 AUD
Retailer 20$10,624 AUD
Retailer 11$10,817 AUD
Retailer 5$10,860 AUD
Retailer 8$12,143 AUD
Retailer 9$12,816 AUD
Retailer 4$14,746 AUD
NZ Jewellers$17,602 AUD

26 data points across 20 retailers

21 retailers$7,946 AUD to $17,602 AUD

A
Cheapest Retailer
-
$7,946 AUD
₹531,677 INR
A
Retailer 2
-
$8,273 AUD
$5,812 USD
View
A
Retailer 3
-
$8,343 AUD
$5,861 USD
View
Final sale: no returns
A
Retailer 4
-
$8,579 AUD
View
A
Retailer 5
-
$8,933 AUD
$6,276 USD
View
B+
Retailer 6
-
$9,178 AUD
$6,448 USD
View
B+
Retailer 7
-
$9,406 AUD
$6,608 USD
View
B+
Retailer 8
-
$9,658 AUD
$6,785 USD
View
B+
Retailer 9
-
$9,672 AUD
$6,795 USD
View
Retailer 10
-
$9,799 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$9,865 AUD
£5,457 GBP
View
B+
Retailer 12
-
$10,035 AUD
$7,050 USD
View
B+
Retailer 13
-
$10,463 AUD
$7,351 USD
View
B+
Retailer 14
-
$10,624 AUD
$7,464 USD
View
B+
Retailer 15
-
$10,817 AUD
$7,600 USD
View
B+
Retailer 16
-
$10,860 AUD
€7,266 EUR
View
Retailer 17
-
$11,790 AUD
$8,283 USD
View
Price last confirmed 53 days ago
B
Retailer 18
-
$12,143 AUD
$8,531 USD
View
B
Retailer 19
-
$12,816 AUD
ZAR 145,456 ZAR
View
B
Retailer 20
-
$14,746 AUD
£8,157 GBP
View
Most Expensive
B
NZ Jewellers
2d2d05f3-b92d-4cba-9f41-b662bf127d95 · Oct 27
$17,602 AUD
$12,366 USD
View
20 more retailers have this diamond
Prices start from $7,946 AUDSave up to $9,655 AUD

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
$7,946 AUD