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Radiant|Natural|GIA

1.50ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 2567256777

Certificate GIA 2567256777

Diamond specifications and retailer prices

From $7,790 AUD
$5,472 USD
As of November 1, 2026
Save $7,828 AUD (50%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $15,618 AUD at NZ Jewellers · As of October 30, 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 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 2567256777. Listed at 20 retailers as of October 30, 2026, with prices from $7,790 to $15,618, a $7,828 spread on the same certified stone. NZ Jewellers lists it at $15,618. 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
FluorescenceNone
Crown angle44.47°
OriginNatural
Grading LabGIA
CertificateGIA 2567256777
Dimensions7.54 × 5.79 × 4.02 mm
L/W Ratio1.30
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.54 mm5.79 mm1.50 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567256777
Side View
Table 70.0%Crown 44.47°Girdle: STK-THKPavilionCulet: NoneDepth 69.4%

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 1
Current: $15,618 AUD|Low: $7,618 AUD|High: $15,980 AUD|Avg: $10,040 AUD|-2.3%
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
November 2, 2026
Retailer 9$7,790 AUD
Retailer 7$8,144 AUD
Retailer 5$8,248 AUD
Retailer 8$8,618 AUD
Retailer 16$8,620 AUD
Retailer 10$8,670 AUD
Retailer 2$8,799 AUD
Retailer 12$8,957 AUD
Retailer 18$9,339 AUD
Retailer 17$9,483 AUD
Retailer 6$9,564 AUD
Retailer 3$9,693 AUD
Retailer 4$9,709 AUD
Retailer 11$10,202 AUD
Retailer 15$10,775 AUD
Retailer 14$11,474 AUD
Retailer 13$13,759 AUD
NZ Jewellers$15,618 AUD

26 data points across 18 retailers

20 retailers$7,790 AUD to $15,618 AUD

A
Cheapest Retailer
-
$7,790 AUD
$5,472 USD
A
Retailer 2
-
$8,107 AUD
$5,695 USD
View
A
Retailer 3
-
$8,144 AUD
$5,721 USD
View
A
Retailer 4
-
$8,248 AUD
$5,794 USD
View
A
Retailer 5
-
$8,618 AUD
$6,054 USD
View
Final sale: no returns
A
Retailer 6
-
$8,620 AUD
$6,055 USD
View
A
Retailer 7
-
$8,670 AUD
$6,090 USD
View
A
Retailer 8
-
$8,799 AUD
£4,867 GBP
View
A
Retailer 9
-
$8,957 AUD
£4,954 GBP
View
A
Retailer 10
-
$9,339 AUD
$6,560 USD
View
A
Retailer 11
-
$9,483 AUD
$6,661 USD
View
A
Retailer 12
-
$9,564 AUD
$6,718 USD
View
Retailer 13
-
$9,582 AUD
View
Price last confirmed 29 days ago
B+
Retailer 14
-
$9,693 AUD
$6,809 USD
View
B+
Retailer 15
-
$9,709 AUD
$6,820 USD
View
B+
Retailer 16
-
$10,202 AUD
€6,825 EUR
View
B+
Retailer 17
-
$10,775 AUD
$7,569 USD
View
B+
Retailer 18
-
$11,474 AUD
ZAR 130,203 ZAR
View
B+
Retailer 19
-
$13,759 AUD
£7,610 GBP
View
Most Expensive
B
NZ Jewellers
3130d2c9-7bea-41b7-94c5-5d7f143d0cb9 · Oct 30
$15,618 AUD
$10,971 USD
View
19 more retailers have this diamond
Prices start from $7,790 AUDSave up to $7,828 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
$7,790 AUD