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Radiant|Natural|GIA

1.50ct G SI1 Radiant Natural Diamond

ID • G/SI1 • GIA 2245026590

Certificate GIA 2245026590

Diamond specifications and retailer prices

From $8,671 AUD
As of November 4, 2026
Save $7,973 AUD (48%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $16,644 AUD at MOH London · As of November 4, 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 2245026590. Listed at 20 retailers as of November 4, 2026, with prices from $8,671 to $16,644, a $7,973 spread on the same certified stone. MOH London lists it at $16,644. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2245026590
Dimensions8.15 × 5.78 × 3.86 mm
L/W Ratio1.41
Girdle conditionPolished
Top View
8.15 mm5.78 mm1.50 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245026590
Side View
Table 67.0%CrownGirdle: Slightly ThickPavilionCulet: NDepth 66.9%

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: Nov 4
Current: $16,644 AUD|Low: $8,594 AUD|High: $17,365 AUD|Avg: $10,886 AUD|-4.2%
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
Retailer 15
Retailer 16
Retailer 17
November 7, 2026
Retailer 8$8,671 AUD
Retailer 15$8,811 AUD
Retailer 5$9,278 AUD
Retailer 11$9,681 AUD
Retailer 4$9,773 AUD
Retailer 16$10,013 AUD
Retailer 13$10,020 AUD
Retailer 6$10,231 AUD
Retailer 7$10,320 AUD
Retailer 2$10,581 AUD
Retailer 9$10,849 AUD
Retailer 10$11,482 AUD
Retailer 3$11,586 AUD
Retailer 17$12,524 AUD
Retailer 12$12,794 AUD
Retailer 14$14,609 AUD
MOH London$16,644 AUD

15 data points across 17 retailers

20 retailers$8,671 AUD to $16,644 AUD

A
Cheapest Retailer
-
$8,671 AUD
A
Retailer 2
-
$8,811 AUD
View
A
Retailer 3
-
$9,278 AUD
View
B+
Retailer 4
-
$9,584 AUD
View
B+
Retailer 5
-
$9,652 AUD
View
A
Retailer 6
-
$9,681 AUD
View
Retailer 7
-
$9,763 AUD
View
Price last confirmed 37 days ago
B+
Retailer 8
-
$9,773 AUD
View
B+
Retailer 9
-
$10,013 AUD
View
Final sale: no returns
B+
Retailer 10
-
$10,020 AUD
View
B+
Retailer 11
-
$10,231 AUD
View
B+
Retailer 12
-
$10,320 AUD
View
B+
Retailer 13
-
$10,581 AUD
View
B+
Retailer 14
-
$10,849 AUD
View
B+
Retailer 15
-
$11,482 AUD
View
Retailer 16
-
$11,586 AUD
View
Price last confirmed 16 days ago
B
Retailer 17
-
$12,524 AUD
View
B
Retailer 18
-
$12,794 AUD
View
B
Retailer 19
-
$14,609 AUD
View
Most Expensive
B
MOH London
EB269E7D9 · Nov 4
$16,644 AUD
£9,005 GBP
View
19 more retailers have this diamond
Prices start from $8,671 AUDSave up to $7,973 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
$8,671 AUD