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Radiant|Natural|GIA

1.50ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 1555481540

Certificate GIA 1555481540

Diamond specifications and retailer prices

From $6,008 AUD
$4,220 USD
As of November 1, 2026
Save $7,253 AUD (55%) vs most expensive(unlock to see where)
31 retailers carry this diamond
Most expensive: $13,261 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555481540. Listed at 31 retailers as of October 30, 2026, with prices from $6,008 to $13,261, a $7,253 spread on the same certified stone. NZ Jewellers lists it at $13,261. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555481540
Dimensions7.64 × 5.79 × 3.83 mm
L/W Ratio1.32
Culet sizeNone
Top View
7.64 mm5.79 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555481540
Side View
Table 69.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.2%

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: $13,261 AUD|Low: $4,622 AUD|High: $13,261 AUD|Avg: $7,503 AUD
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 21
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Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
Retailer 28
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Retailer 30
Retailer 31
November 2, 2026
Retailer 23$5,043 AUD
Retailer 22$5,808 AUD
Retailer 3$6,008 AUD
Retailer 29$6,110 AUD
Retailer 4$6,194 AUD
Retailer 28$6,263 AUD
Retailer 15$6,264 AUD
Retailer 6$6,341 AUD
Retailer 17$6,630 AUD
Retailer 16$7,017 AUD
Retailer 18$7,071 AUD
Retailer 14$7,114 AUD
Retailer 5$7,182 AUD
Retailer 8$7,182 AUD
Retailer 27$7,182 AUD
Retailer 20$7,206 AUD
Retailer 10$7,306 AUD
Retailer 7$7,552 AUD
Retailer 19$7,590 AUD
Retailer 2$7,681 AUD
Retailer 24$7,735 AUD
Retailer 21$7,887 AUD
Retailer 11$8,043 AUD
Retailer 30$8,043 AUD
Retailer 25$8,278 AUD
Retailer 12$8,288 AUD
Retailer 31$8,314 AUD
Retailer 13$8,465 AUD
Retailer 9$11,482 AUD
Retailer 26$12,627 AUD
NZ Jewellers$13,261 AUD

25 data points across 31 retailers

31 retailers$6,008 AUD to $13,261 AUD

Retailer 1
-
$5,808 AUD
$4,080 USD
Price last confirmed 33 days ago
A
Retailer 2
-
$6,008 AUD
$4,220 USD
View
A
Retailer 3
-
$6,110 AUD
$4,292 USD
View
A
Retailer 4
-
$6,194 AUD
$4,351 USD
View
A
Retailer 5
-
$6,263 AUD
$4,399 USD
View
A
Retailer 6
-
$6,264 AUD
$4,400 USD
View
A
Retailer 7
-
$6,341 AUD
$4,454 USD
View
Retailer 8
-
$6,477 AUD
$4,550 USD
View
Price last confirmed 13 days ago
A
Retailer 9
-
$6,630 AUD
$4,657 USD
View
Final sale: no returns
A
Retailer 10
-
$7,017 AUD
CA$6,846 CAD
View
A
Retailer 11
-
$7,071 AUD
$4,967 USD
View
A
Retailer 12
-
$7,114 AUD
$4,998 USD
View
A
Retailer 13
-
$7,182 AUD
$5,045 USD
View
A
Retailer 14
-
$7,182 AUD
$5,045 USD
View
A
Retailer 15
-
$7,182 AUD
$5,045 USD
View
Retailer 16
-
$7,206 AUD
$5,062 USD
View
Price last confirmed 18 days ago
A
Retailer 17
-
$7,306 AUD
$5,132 USD
View
B+
Retailer 18
-
$7,552 AUD
$5,305 USD
View
B+
Retailer 19
-
$7,590 AUD
$5,331 USD
View
A
Retailer 20
-
$7,681 AUD
£4,248 GBP
View
A
Retailer 21
-
$7,735 AUD
£4,278 GBP
View
B+
Retailer 22
-
$7,887 AUD
$5,540 USD
View
B+
Retailer 23
-
$8,043 AUD
$5,650 USD
View
B+
Retailer 24
-
$8,043 AUD
$5,650 USD
View
Retailer 25
-
$8,278 AUD
$5,815 USD
View
Price last confirmed 34 days ago
B+
Retailer 26
-
$8,288 AUD
$5,822 USD
View
B+
Retailer 27
-
$8,314 AUD
$5,840 USD
View
B+
Retailer 28
-
$8,465 AUD
€5,663 EUR
View
B
Retailer 29
-
$11,482 AUD
$8,065 USD
View
B
Retailer 30
-
$12,627 AUD
£6,984 GBP
View
Most Expensive
B
NZ Jewellers
09fa61c0-22d8-4af2-8ac4-731a35f8957b · Oct 30
$13,261 AUD
$9,315 USD
View
30 more retailers have this diamond
Prices start from $6,008 AUDSave up to $7,253 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
$6,008 AUD