Radiant|Natural|GIA

1.50ct H SI2 Radiant Natural Diamond

ID • H/SI2 • GIA 7531354255

Certificate GIA 7531354255

Diamond specifications and retailer prices

From $6,450 NZD
HK$28,400 HKD
As of November 1, 2026
Save $8,862 NZD (58%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $15,312 NZD 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 $6,450 to $15,312, a $8,862 spread on the same certified stone. Queensmith lists it at $15,312. 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: $15,312 NZD|Low: $6,405 NZD|High: $15,413 NZD|Avg: $9,441 NZD|+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 2, 2026
Retailer 13$6,450 NZD
Retailer 10$6,898 NZD
Retailer 9$7,603 NZD
Retailer 6$7,794 NZD
Retailer 11$8,183 NZD
Retailer 17$8,215 NZD
Retailer 2$8,399 NZD
Retailer 5$8,447 NZD
Retailer 15$8,447 NZD
Retailer 16$8,447 NZD
Retailer 7$8,605 NZD
Retailer 8$8,714 NZD
Retailer 14$9,559 NZD
Retailer 3$9,746 NZD
Retailer 12$13,453 NZD
Retailer 4$14,716 NZD
Queensmith$15,312 NZD

24 data points across 17 retailers

20 retailers$6,450 NZD to $15,312 NZD

A
Cheapest Retailer
-
$6,450 NZD
HK$28,400 HKD
A
Retailer 2
-
$6,898 NZD
₹370,255 INR
View
A
Retailer 3
-
$7,603 NZD
SGD 5,791 SGD
View
A
Retailer 4
-
$7,794 NZD
$4,393 USD
View
Final sale: no returns
A
Retailer 5
-
$7,905 NZD
$4,455 USD
View
A
Retailer 6
-
$8,183 NZD
£3,632 GBP
View
A
Retailer 7
-
$8,215 NZD
SGD 6,257 SGD
View
A
Retailer 8
-
$8,399 NZD
£3,727 GBP
View
A
Retailer 9
-
$8,447 NZD
$4,761 USD
View
A
Retailer 10
-
$8,447 NZD
$4,761 USD
View
A
Retailer 11
-
$8,447 NZD
$4,761 USD
View
A
Retailer 12
-
$8,605 NZD
$4,850 USD
View
A
Retailer 13
-
$8,714 NZD
$4,911 USD
View
A
Retailer 14
-
$9,005 NZD
A$7,808 AUD
View
A
Retailer 15
-
$9,559 NZD
€5,131 EUR
View
B+
Retailer 16
-
$9,746 NZD
$5,493 USD
View
B+
Retailer 17
-
$13,453 NZD
£5,970 GBP
View
B
Retailer 18
-
$14,716 NZD
$8,294 USD
View
Retailer 19
-
$14,716 NZD
$8,294 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Queensmith
7531354255 · Oct 28
$15,312 NZD
£6,795 GBP
View
19 more retailers have this diamond
Prices start from $6,450 NZDSave up to $8,862 NZD

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
$6,450 NZD