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Radiant|Natural|GIA

1.50ct I SI1 Radiant Natural Diamond

VG • I/SI1 • GIA 1453276340

Certificate GIA 1453276340

Diamond specifications and retailer prices

From $5,080 NZD
As of November 2, 2026
Save $6,224 NZD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $11,304 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded I 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 1453276340. Listed at 17 retailers as of November 2, 2026, with prices from $5,080 to $11,304, a $6,224 spread on the same certified stone. MOH London lists it at $11,304. 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
I
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle57.29°
OriginNatural
Grading LabGIA
CertificateGIA 1453276340
Dimensions6.31 × 6.28 × 4.25 mm
L/W Ratio1.00
Girdle conditionPolished
Top View
6.31 mm6.28 mm1.50 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1453276340
Side View
Table 64.0%CrownGirdle: Slightly ThickPavilion 57.29°Culet: 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 2
Current: $11,304 NZD|Low: $4,986 NZD|High: $12,094 NZD|Avg: $7,121 NZD|-6.5%
MOH London
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
November 7, 2026
Retailer 11$5,080 NZD
Retailer 15$5,453 NZD
Retailer 6$5,495 NZD
Retailer 7$5,534 NZD
Retailer 14$5,652 NZD
Retailer 16$5,796 NZD
Retailer 4$5,908 NZD
Retailer 10$6,142 NZD
Retailer 2$6,453 NZD
Retailer 5$6,945 NZD
Retailer 8$7,674 NZD
Retailer 13$7,910 NZD
Retailer 3$8,309 NZD
Retailer 12$9,074 NZD
Retailer 9$10,666 NZD
MOH London$11,304 NZD

26 data points across 16 retailers

17 retailers$5,080 NZD to $11,304 NZD

A
Cheapest Retailer
-
$5,080 NZD
A
Retailer 2
-
$5,453 NZD
View
A
Retailer 3
-
$5,495 NZD
View
A
Retailer 4
-
$5,534 NZD
View
A
Retailer 5
-
$5,652 NZD
View
Final sale: no returns
Retailer 6
-
$5,796 NZD
View
Price last confirmed 6 days ago
Retailer 7
-
$5,908 NZD
View
Price last confirmed 5 days ago
A
Retailer 8
-
$6,142 NZD
View
A
Retailer 9
-
$6,453 NZD
View
Retailer 10
-
$6,945 NZD
View
Price last confirmed 8 days ago
Retailer 11
-
$7,674 NZD
View
Price last confirmed 30 days ago
B+
Retailer 12
-
$7,677 NZD
View
A
Retailer 13
-
$7,910 NZD
View
A
Retailer 14
-
$8,309 NZD
View
A
Retailer 15
-
$9,074 NZD
View
B+
Retailer 16
-
$10,666 NZD
View
Most Expensive
B+
MOH London
5A30393B5 · Nov 2
$11,304 NZD
£4,934 GBP
View
16 more retailers have this diamond
Prices start from $5,080 NZDSave up to $6,224 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
$5,080 NZD