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Radiant|Natural|GIA

1.50ct H SI2 Radiant Natural Diamond

ID • H/SI2 • GIA 7531354255

Certificate GIA 7531354255

Diamond specifications and retailer prices

From $5,175 AUD
HK$28,400 HKD
As of November 1, 2026
Save $7,110 AUD (58%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $12,285 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7531354255. Listed at 20 retailers as of October 28, 2026, with prices from $5,175 to $12,285, a $7,110 spread on the same certified stone. Queensmith lists it at $12,285. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7531354255
Dimensions7.67 × 5.87 × 3.68 mm
L/W Ratio1.31
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Twinning Wisp, Feather, Knot, Needle
Top View
7.67 mm5.87 mm1.50 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7531354255
Side View
Table 72.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.7%

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: $12,285 AUD|Low: $5,139 AUD|High: $12,367 AUD|Avg: $7,564 AUD|+2.3%
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 1, 2026
Retailer 13$5,175 AUD
Retailer 2$5,535 AUD
Retailer 9$6,101 AUD
Retailer 6$6,254 AUD
Retailer 10$6,566 AUD
Retailer 17$6,592 AUD
Retailer 12$6,683 AUD
Retailer 5$6,778 AUD
Retailer 15$6,778 AUD
Retailer 16$6,778 AUD
Retailer 7$6,904 AUD
Retailer 8$6,991 AUD
Retailer 14$7,670 AUD
Retailer 3$7,820 AUD
Retailer 11$10,794 AUD
Retailer 4$11,807 AUD
Queensmith$12,285 AUD

23 data points across 17 retailers

20 retailers$5,175 AUD to $12,285 AUD

A
Cheapest Retailer
-
$5,175 AUD
HK$28,400 HKD
A
Retailer 2
-
$5,535 AUD
₹370,255 INR
View
A
Retailer 3
-
$6,101 AUD
SGD 5,791 SGD
View
A
Retailer 4
-
$6,254 AUD
$4,393 USD
View
Final sale: no returns
A
Retailer 5
-
$6,342 AUD
$4,455 USD
View
A
Retailer 6
-
$6,566 AUD
£3,632 GBP
View
A
Retailer 7
-
$6,592 AUD
SGD 6,257 SGD
View
A
Retailer 8
-
$6,683 AUD
£3,697 GBP
View
A
Retailer 9
-
$6,778 AUD
$4,761 USD
View
A
Retailer 10
-
$6,778 AUD
$4,761 USD
View
A
Retailer 11
-
$6,778 AUD
$4,761 USD
View
A
Retailer 12
-
$6,904 AUD
$4,850 USD
View
A
Retailer 13
-
$6,991 AUD
$4,911 USD
View
A
Retailer 14
-
$7,225 AUD
View
A
Retailer 15
-
$7,670 AUD
€5,131 EUR
View
B+
Retailer 16
-
$7,820 AUD
$5,493 USD
View
B+
Retailer 17
-
$10,794 AUD
£5,970 GBP
View
B
Retailer 18
-
$11,807 AUD
$8,294 USD
View
Retailer 19
-
$11,807 AUD
$8,294 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Queensmith
7531354255 · Oct 28
$12,285 AUD
£6,795 GBP
View
19 more retailers have this diamond
Prices start from $5,175 AUDSave up to $7,110 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
$5,175 AUD