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Radiant|Natural|GIA

1.50ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 1568555069

Certificate GIA 1568555069

Diamond specifications and retailer prices

From $7,059 AUD
As of October 31, 2026
Save $22,092 AUD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $29,150 AUD at MOH London · As of November 2, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1568555069. Listed at 15 retailers as of October 31, 2026, with prices from $7,059 to $29,150, a $22,092 spread on the same certified stone. MOH London lists it at $29,150. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1568555069
Dimensions7.60 × 5.57 × 3.90 mm
L/W Ratio1.36
Culet sizeNone
Top View
7.60 mm5.57 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1568555069
Side View
Table 61.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 70.0%

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 31
Current: $29,150 AUD|Low: $7,057 AUD|High: $29,150 AUD|Avg: $16,102 AUD
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
November 6, 2026
Retailer 5$7,059 AUD
Retailer 9$7,786 AUD
Retailer 2$9,597 AUD
Retailer 8$9,625 AUD
Retailer 12$18,885 AUD
Retailer 4$19,037 AUD
Retailer 10$19,744 AUD
Retailer 3$20,223 AUD
Retailer 11$21,029 AUD
Retailer 13$21,905 AUD
Retailer 14$22,320 AUD
Retailer 6$23,179 AUD
Retailer 7$27,232 AUD
MOH London$29,150 AUD

14 data points across 14 retailers

15 retailers$7,059 AUD to $29,150 AUD

A
Cheapest Retailer
-
$7,059 AUD
A
Retailer 2
-
$7,669 AUD
View
A
Retailer 3
-
$7,786 AUD
View
A
Retailer 4
-
$9,597 AUD
View
B+
Retailer 5
-
$9,625 AUD
View
B
Retailer 6
-
$18,885 AUD
View
B
Retailer 7
-
$19,037 AUD
View
B
Retailer 8
-
$19,744 AUD
View
Final sale: no returns
B
Retailer 9
-
$20,223 AUD
View
B
Retailer 10
-
$21,029 AUD
View
B
Retailer 11
-
$21,905 AUD
View
B
Retailer 12
-
$22,320 AUD
View
B
Retailer 13
-
$23,179 AUD
View
C
Retailer 14
-
$27,232 AUD
View
Most Expensive
B
MOH London
516D4325E · Nov 2
$29,150 AUD
£15,771 GBP
View
14 more retailers have this diamond
Prices start from $7,059 AUDSave up to $22,092 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
$7,059 AUD