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Radiant|Natural|GIA

1.50ct D SI1 Radiant Natural Diamond

ID • D/SI1 • GIA 1513462674

Certificate GIA 1513462674

Diamond specifications and retailer prices

From $10,416 AUD
As of November 6, 2026
Save $11,924 AUD (53%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $22,340 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1513462674. Listed at 29 retailers as of November 5, 2026, with prices from $10,416 to $22,340, a $11,924 spread on the same certified stone. NZ Jewellers lists it at $22,340. 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
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.19°
Pavilion angle30.33°
OriginNatural
Grading LabGIA
CertificateGIA 1513462674
Dimensions7.44 × 5.74 × 3.82 mm
L/W Ratio1.30
Girdle conditionThick
Key to symbols
Crystal, Cloud, Needle
Top View
7.44 mm5.74 mm1.50 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1513462674
Side View
Table 68.0%Crown 44.19°Girdle: STK-THKPavilion 30.33°Culet: NoneDepth 66.6%

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 6
Current: $22,340 AUD|Low: $10,416 AUD|High: $22,340 AUD|Avg: $14,096 AUD
NZ Jewellers
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
November 7, 2026
Retailer 6$10,416 AUD
Retailer 17$10,459 AUD
Retailer 9$10,610 AUD
Retailer 3$10,799 AUD
Retailer 7$11,169 AUD
Retailer 21$11,901 AUD
Retailer 13$11,950 AUD
Retailer 8$12,100 AUD
Retailer 15$12,286 AUD
Retailer 2$12,337 AUD
Retailer 19$12,378 AUD
Retailer 10$12,527 AUD
Retailer 16$12,816 AUD
Retailer 11$13,273 AUD
Retailer 12$13,273 AUD
Retailer 20$13,366 AUD
Retailer 18$13,518 AUD
Retailer 22$13,724 AUD
Retailer 23$13,810 AUD
Retailer 5$13,963 AUD
Retailer 4$16,296 AUD
Retailer 14$19,288 AUD
NZ Jewellers$22,340 AUD

36 data points across 23 retailers

29 retailers$10,416 AUD to $22,340 AUD

A
Cheapest Retailer
-
$10,416 AUD
A
Retailer 2
-
$10,459 AUD
View
A
Retailer 3
-
$10,505 AUD
View
A
Retailer 4
-
$10,610 AUD
View
A
Retailer 5
-
$10,795 AUD
View
A
Retailer 6
-
$10,799 AUD
View
A
Retailer 7
-
$11,169 AUD
View
Final sale: no returns
B+
Retailer 8
-
$11,172 AUD
View
Retailer 9
-
$11,607 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$11,901 AUD
View
B+
Retailer 11
-
$11,950 AUD
View
B+
Retailer 12
-
$12,100 AUD
View
B+
Retailer 13
-
$12,286 AUD
View
B+
Retailer 14
-
$12,337 AUD
View
B+
Retailer 15
-
$12,378 AUD
View
B+
Retailer 16
-
$12,527 AUD
View
B+
Retailer 17
-
$12,722 AUD
View
Retailer 18
-
$12,780 AUD
View
Price last confirmed 15 days ago
Retailer 19
-
$12,816 AUD
View
Price last confirmed 15 days ago
B+
Retailer 20
-
$13,273 AUD
View
B+
Retailer 21
-
$13,273 AUD
View
B+
Retailer 22
-
$13,366 AUD
View
B+
Retailer 23
-
$13,518 AUD
View
B+
Retailer 24
-
$13,724 AUD
View
B+
Retailer 25
-
$13,810 AUD
View
B
Retailer 26
-
$13,963 AUD
View
B+
Retailer 27
-
$16,296 AUD
View
B
Retailer 28
-
$19,288 AUD
View
Most Expensive
B
NZ Jewellers
568239e8-7a7e-4904-a651-427821ed27ad · Nov 5
$22,340 AUD
$15,350 USD
View
28 more retailers have this diamond
Prices start from $10,416 AUDSave up to $11,924 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
$10,416 AUD