Radiant|Natural|GIA

1.50ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 6555588932

Certificate GIA 6555588932

Diamond specifications and retailer prices

From $5,831 AUD
₹390,125 INR
As of October 29, 2026
Save $7,072 AUD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,903 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555588932. Listed at 16 retailers as of October 27, 2026, with prices from $5,831 to $12,903, a $7,072 spread on the same certified stone. NZ Jewellers lists it at $12,903. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6555588932
Dimensions7.88 × 5.62 × 3.75 mm
L/W Ratio1.40
Girdle conditionPolished
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Indented Natural
Top View
7.88 mm5.62 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555588932
Side View
Table 62.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 66.8%

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: $12,903 AUD|Low: $5,716 AUD|High: $12,989 AUD|Avg: $7,719 AUD|-0.7%
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
October 29, 2026
Retailer 10$5,831 AUD
Retailer 14$6,102 AUD
Retailer 15$6,730 AUD
Retailer 6$7,009 AUD
Retailer 5$7,077 AUD
Retailer 8$7,455 AUD
Retailer 9$7,664 AUD
Retailer 11$7,664 AUD
Retailer 12$7,664 AUD
Retailer 7$7,985 AUD
Retailer 2$8,028 AUD
Retailer 13$8,235 AUD
Retailer 3$8,902 AUD
Retailer 4$12,305 AUD
NZ Jewellers$12,903 AUD

31 data points across 15 retailers

16 retailers$5,831 AUD to $12,903 AUD

A
Cheapest Retailer
-
$5,831 AUD
₹390,125 INR
A
Retailer 2
-
$6,102 AUD
$4,287 USD
View
Final sale: no returns
A
Retailer 3
-
$6,730 AUD
$4,728 USD
View
A
Retailer 4
-
$7,009 AUD
$4,924 USD
View
A
Retailer 5
-
$7,077 AUD
$4,972 USD
View
A
Retailer 6
-
$7,455 AUD
£4,124 GBP
View
A
Retailer 7
-
$7,664 AUD
$5,384 USD
View
A
Retailer 8
-
$7,664 AUD
$5,384 USD
View
A
Retailer 9
-
$7,664 AUD
$5,384 USD
View
A
Retailer 10
-
$7,985 AUD
$5,610 USD
View
A
Retailer 11
-
$8,028 AUD
$5,640 USD
View
A
Retailer 12
-
$8,235 AUD
€5,510 EUR
View
A
Retailer 13
-
$8,844 AUD
$6,213 USD
View
Price last confirmed 52 days ago
A
Retailer 14
-
$8,902 AUD
$6,254 USD
View
B+
Retailer 15
-
$12,305 AUD
£6,807 GBP
View
Most Expensive
B
NZ Jewellers
d9ec12b6-3368-4357-af8b-d667c6038616 · Oct 27
$12,903 AUD
$9,065 USD
View
15 more retailers have this diamond
Prices start from $5,831 AUDSave up to $7,072 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
$5,831 AUD