Radiant|Natural|GIA

1.50ct D SI1 Radiant Natural Diamond

ID • D/SI1 • GIA 1513462674

Certificate GIA 1513462674

Diamond specifications and retailer prices

From $7,157 USD
As of November 6, 2026
Save $8,193 USD (53%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $15,350 USD 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 $7,157 to $15,350, a $8,193 spread on the same certified stone. NZ Jewellers lists it at $15,350. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $15,350 USD|Low: $7,157 USD|High: $15,350 USD|Avg: $9,685 USD
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 22
Retailer 23
November 7, 2026
Retailer 6$7,157 USD
Retailer 17$7,186 USD
Retailer 9$7,290 USD
Retailer 3$7,420 USD
Retailer 7$7,674 USD
Retailer 21$8,177 USD
Retailer 13$8,211 USD
Retailer 8$8,314 USD
Retailer 15$8,442 USD
Retailer 2$8,477 USD
Retailer 19$8,505 USD
Retailer 10$8,607 USD
Retailer 16$8,806 USD
Retailer 11$9,120 USD
Retailer 12$9,120 USD
Retailer 20$9,184 USD
Retailer 18$9,288 USD
Retailer 22$9,430 USD
Retailer 23$9,489 USD
Retailer 5$9,594 USD
Retailer 4$11,197 USD
Retailer 14$13,253 USD
NZ Jewellers$15,350 USD

36 data points across 23 retailers

29 retailers$7,157 USD to $15,350 USD

A
Cheapest Retailer
-
$7,157 USD
A
Retailer 2
-
$7,186 USD
View
A
Retailer 3
-
$7,218 USD
View
A
Retailer 4
-
$7,290 USD
View
A
Retailer 5
-
$7,417 USD
View
A
Retailer 6
-
$7,420 USD
View
A
Retailer 7
-
$7,674 USD
View
Final sale: no returns
B+
Retailer 8
-
$7,676 USD
View
Retailer 9
-
$7,975 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$8,177 USD
View
B+
Retailer 11
-
$8,211 USD
View
B+
Retailer 12
-
$8,314 USD
View
B+
Retailer 13
-
$8,442 USD
View
B+
Retailer 14
-
$8,477 USD
View
B+
Retailer 15
-
$8,505 USD
View
B+
Retailer 16
-
$8,607 USD
View
B+
Retailer 17
-
$8,741 USD
View
Retailer 18
-
$8,781 USD
View
Price last confirmed 15 days ago
Retailer 19
-
$8,806 USD
View
Price last confirmed 15 days ago
B+
Retailer 20
-
$9,120 USD
View
B+
Retailer 21
-
$9,120 USD
View
B+
Retailer 22
-
$9,184 USD
View
B+
Retailer 23
-
$9,288 USD
View
B+
Retailer 24
-
$9,430 USD
View
B+
Retailer 25
-
$9,489 USD
View
B
Retailer 26
-
$9,594 USD
View
B+
Retailer 27
-
$11,197 USD
View
B
Retailer 28
-
$13,253 USD
View
Most Expensive
B
NZ Jewellers
568239e8-7a7e-4904-a651-427821ed27ad · Nov 5
$15,350 USD
View
28 more retailers have this diamond
Prices start from $7,157 USDSave up to $8,193 USD

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
$7,157 USD