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Radiant|Natural|GIA

1.50ct D SI2 Radiant Natural Diamond

ID • D/SI2 • GIA 2534594191

Certificate GIA 2534594191

Diamond specifications and retailer prices

From $5,573 USD
As of November 6, 2026
Save $6,414 USD (54%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $11,987 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2534594191. Listed at 25 retailers as of November 5, 2026, with prices from $5,573 to $11,987, a $6,414 spread on the same certified stone. NZ Jewellers lists it at $11,987. 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
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.41°
Pavilion angle30.19°
OriginNatural
Grading LabGIA
CertificateGIA 2534594191
Dimensions7.38 × 5.68 × 3.88 mm
L/W Ratio1.30
Top View
7.38 mm5.68 mm1.50 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2534594191
Side View
Table 66.0%Crown 44.41°Girdle: STK-THKPavilion 30.19°Culet: NoneDepth 68.2%

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: $11,987 USD|Low: $4,824 USD|High: $12,241 USD|Avg: $7,598 USD|-2.1%
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
November 7, 2026
Retailer 11$5,573 USD
Retailer 13$5,663 USD
Retailer 5$5,668 USD
Retailer 3$5,993 USD
Retailer 16$6,393 USD
Retailer 4$6,493 USD
Retailer 9$6,493 USD
Retailer 15$6,613 USD
Retailer 12$6,646 USD
Retailer 6$6,778 USD
Retailer 2$6,805 USD
Retailer 7$7,220 USD
Retailer 8$7,220 USD
Retailer 18$7,378 USD
Retailer 17$7,460 USD
Retailer 19$7,492 USD
Retailer 10$10,200 USD
Retailer 14$10,391 USD
NZ Jewellers$11,987 USD

44 data points across 19 retailers

25 retailers$5,573 USD to $11,987 USD

A
Cheapest Retailer
-
$5,573 USD
A
Retailer 2
-
$5,663 USD
View
A
Retailer 3
-
$5,668 USD
View
A
Retailer 4
-
$5,717 USD
View
A
Retailer 5
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$5,861 USD
View
A
Retailer 6
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$5,993 USD
View
Final sale: no returns
Retailer 7
-
$6,121 USD
View
Price last confirmed 9 days ago
A
Retailer 8
-
$6,393 USD
View
A
Retailer 9
-
$6,493 USD
View
A
Retailer 10
-
$6,493 USD
View
A
Retailer 11
-
$6,613 USD
View
A
Retailer 12
-
$6,646 USD
View
Retailer 13
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$6,671 USD
View
Price last confirmed 15 days ago
A
Retailer 14
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$6,726 USD
View
A
Retailer 15
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$6,778 USD
View
A
Retailer 16
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$6,805 USD
View
B+
Retailer 17
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$7,220 USD
View
B+
Retailer 18
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$7,220 USD
View
A
Retailer 19
-
$7,378 USD
View
B+
Retailer 20
-
$7,460 USD
View
B+
Retailer 21
-
$7,492 USD
View
Retailer 22
-
$7,651 USD
View
Price last confirmed 62 days ago
B+
Retailer 23
-
$10,200 USD
View
B+
Retailer 24
-
$10,391 USD
View
Most Expensive
B
NZ Jewellers
601066e6-af58-46ca-a266-ab9420cd709b · Nov 5
$11,987 USD
View
24 more retailers have this diamond
Prices start from $5,573 USDSave up to $6,414 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
$5,573 USD