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Radiant|Natural|GIA

1.50ct G SI2 Radiant Natural Diamond

EX • G/SI2 • GIA 6545774214

Certificate GIA 6545774214

Diamond specifications and retailer prices

From $4,720 AUD
HK$25,900 HKD
As of November 1, 2026
Save $7,132 AUD (60%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,851 AUD at Queensmith · As of October 28, 2026
View at Queensmith

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545774214. Listed at 16 retailers as of October 28, 2026, with prices from $4,720 to $11,851, a $7,132 spread on the same certified stone. Queensmith lists it at $11,851. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6545774214
Dimensions7.71 × 5.74 × 3.89 mm
L/W Ratio1.34
Top View
7.71 mm5.74 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6545774214
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 67.7%

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: $11,851 AUD|Low: $4,683 AUD|High: $11,924 AUD|Avg: $7,254 AUD|+2.3%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6$4,720 AUD
Retailer 4$5,070 AUD
Retailer 9$5,564 AUD
Retailer 7$5,763 AUD
Retailer 3$6,387 AUD
Retailer 8$6,455 AUD
Retailer 2$7,066 AUD
Retailer 5$9,944 AUD
Queensmith$11,851 AUD

33 data points across 9 retailers

16 retailers$4,720 AUD to $11,851 AUD

A
Cheapest Retailer
-
$4,720 AUD
HK$25,900 HKD
A
Retailer 2
-
$5,070 AUD
₹339,202 INR
View
A
Retailer 3
-
$5,564 AUD
SGD 5,282 SGD
View
A
Retailer 4
-
$5,763 AUD
$4,048 USD
View
Final sale: no returns
A
Retailer 5
-
$5,786 AUD
$4,064 USD
View
Retailer 6
-
$6,244 AUD
$4,386 USD
View
Price last confirmed 15 days ago
Retailer 7
-
$6,287 AUD
$4,416 USD
View
Price last confirmed 17 days ago
Retailer 8
-
$6,287 AUD
$4,416 USD
View
Price last confirmed 16 days ago
A
Retailer 9
-
$6,383 AUD
View
A
Retailer 10
-
$6,387 AUD
£3,533 GBP
View
A
Retailer 11
-
$6,455 AUD
$4,535 USD
View
A
Retailer 12
-
$7,066 AUD
€4,727 EUR
View
Retailer 13
-
$7,203 AUD
$5,060 USD
View
Price last confirmed 14 days ago
B+
Retailer 14
-
$9,944 AUD
£5,500 GBP
View
Retailer 15
-
$10,878 AUD
$7,641 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Queensmith
6545774214 · Oct 28
$11,851 AUD
£6,555 GBP
View
15 more retailers have this diamond
Prices start from $4,720 AUDSave up to $7,132 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
$4,720 AUD