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Radiant|Natural|GIA

1.50ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 6552693462

Certificate GIA 6552693462

Diamond specifications and retailer prices

From $8,825 AUD
$6,200 USD
As of October 26, 2026
Save $6,898 AUD (44%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $15,724 AUD at MOH London · As of October 29, 2026
View at MOH London

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 6552693462. Listed at 11 retailers as of October 26, 2026, with prices from $8,825 to $15,724, a $6,898 spread on the same certified stone. MOH London lists it at $15,724. 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 6552693462
Dimensions7.91 × 5.70 × 3.80 mm
L/W Ratio1.39
Culet sizeNone
Top View
7.91 mm5.70 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552693462
Side View
Table 68.0%CrownGirdle: STK-THKPavilionCulet: 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 26
Current: $15,724 AUD|Low: $5,665 AUD|High: $15,828 AUD|Avg: $10,197 AUD|+0.4%
MOH London
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
October 29, 2026
Retailer 4$5,665 AUD
Retailer 5$7,518 AUD
Retailer 9$8,825 AUD
Retailer 10$8,866 AUD
Retailer 3$9,463 AUD
Retailer 6$9,502 AUD
Retailer 8$10,516 AUD
Retailer 2$10,547 AUD
Retailer 7$10,636 AUD
Retailer 11$11,245 AUD
Retailer 12$11,245 AUD
Retailer 13$11,629 AUD
Retailer 14$12,365 AUD
MOH London$15,724 AUD

30 data points across 14 retailers

11 retailers$8,825 AUD to $15,724 AUD

A
Cheapest Retailer
-
$8,825 AUD
$6,200 USD
A
Retailer 2
-
$8,866 AUD
$6,229 USD
View
A
Retailer 3
-
$9,463 AUD
$6,648 USD
View
B+
Retailer 4
-
$10,516 AUD
$7,388 USD
View
A
Retailer 5
-
$10,547 AUD
£5,835 GBP
View
A
Retailer 6
-
$10,636 AUD
£5,884 GBP
View
B+
Retailer 7
-
$11,245 AUD
$7,900 USD
View
B+
Retailer 8
-
$11,245 AUD
$7,900 USD
View
B+
Retailer 9
-
$11,629 AUD
$8,170 USD
View
B+
Retailer 10
-
$12,365 AUD
$8,687 USD
View
Most Expensive
B
MOH London
1DFC9F96A · Oct 29
$15,724 AUD
£8,698 GBP
View
10 more retailers have this diamond
Prices start from $8,825 AUDSave up to $6,898 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
$8,825 AUD