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Radiant|Natural|GIA

1.50ct H SI1 Radiant Natural Diamond

VG • H/SI1 • GIA 6481495491

Certificate GIA 6481495491

Diamond specifications and retailer prices

From $5,242 AUD
HK$28,700 HKD
As of November 1, 2026
Save $7,289 AUD (58%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $12,531 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6481495491. Listed at 23 retailers as of October 28, 2026, with prices from $5,242 to $12,531, a $7,289 spread on the same certified stone. Queensmith lists it at $12,531. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
H
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6481495491
Dimensions7.39 × 5.62 × 4.00 mm
L/W Ratio1.31
Top View
7.39 mm5.62 mm1.50 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6481495491
Side View
Table 72.0%CrownGirdle: ThickPavilionCulet: NoneDepth 71.1%

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: $12,531 AUD|Low: $5,242 AUD|High: $12,576 AUD|Avg: $8,006 AUD|+2.5%
Queensmith
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 3, 2026
Retailer 15$5,242 AUD
Retailer 10$5,804 AUD
Retailer 7$6,029 AUD
Retailer 6$6,257 AUD
Retailer 8$6,517 AUD
Retailer 11$6,652 AUD
Retailer 2$7,021 AUD
Retailer 3$7,060 AUD
Retailer 16$7,060 AUD
Retailer 17$7,060 AUD
Retailer 9$7,118 AUD
Retailer 12$7,989 AUD
Retailer 5$8,146 AUD
Retailer 14$8,679 AUD
Retailer 13$11,244 AUD
Retailer 4$12,301 AUD
Queensmith$12,531 AUD

29 data points across 17 retailers

23 retailers$5,242 AUD to $12,531 AUD

A
Cheapest Retailer
-
$5,242 AUD
HK$28,700 HKD
A
Retailer 2
-
$5,804 AUD
₹387,412 INR
View
A
Retailer 3
-
$6,029 AUD
$4,225 USD
View
A
Retailer 4
-
$6,157 AUD
$4,315 USD
View
A
Retailer 5
-
$6,257 AUD
$4,385 USD
View
B+
Retailer 6
-
$6,323 AUD
View
B+
Retailer 7
-
$6,517 AUD
$4,567 USD
View
Final sale: no returns
B+
Retailer 8
-
$6,649 AUD
$4,660 USD
View
A
Retailer 9
-
$6,652 AUD
£3,671 GBP
View
B+
Retailer 10
-
$6,808 AUD
$4,771 USD
View
A
Retailer 11
-
$7,021 AUD
£3,874 GBP
View
B+
Retailer 12
-
$7,060 AUD
$4,948 USD
View
B+
Retailer 13
-
$7,060 AUD
$4,948 USD
View
B+
Retailer 14
-
$7,060 AUD
$4,948 USD
View
Retailer 15
-
$7,118 AUD
View
Price last confirmed 24 days ago
B+
Retailer 16
-
$7,276 AUD
$5,099 USD
View
B+
Retailer 17
-
$7,989 AUD
€5,332 EUR
View
B+
Retailer 18
-
$8,146 AUD
$5,709 USD
View
Retailer 19
-
$8,146 AUD
$5,709 USD
View
Price last confirmed 10 days ago
B+
Retailer 20
-
$8,679 AUD
ZAR 98,258 ZAR
View
B
Retailer 21
-
$11,244 AUD
£6,205 GBP
View
B
Retailer 22
-
$12,301 AUD
$8,621 USD
View
Most Expensive
B
Queensmith
6481495491 · Oct 28
$12,531 AUD
£6,915 GBP
View
22 more retailers have this diamond
Prices start from $5,242 AUDSave up to $7,289 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
$5,242 AUD