Radiant|Natural|GIA

1.50ct K SI1 Radiant Natural Diamond

EX • K/SI1 • GIA 2477222684

Certificate GIA 2477222684

Diamond specifications and retailer prices

From $2,506 USD
As of November 6, 2026
Save $3,469 USD (58%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,975 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2477222684. Listed at 15 retailers as of November 5, 2026, with prices from $2,506 to $5,975, a $3,469 spread on the same certified stone. NZ Jewellers lists it at $5,975. 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
K
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2477222684
Dimensions7.62 × 5.73 × 3.95 mm
L/W Ratio1.33
Culet sizeNone
Cert comments
Additional clouds are not shown. Pinpoints are not shown.
Key to symbols
Crystal
Top View
7.62 mm5.73 mm1.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2477222684
Side View
Table 68.0%CrownGirdlePavilionCulet: NoneDepth 68.9%

Caratlytics Score

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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: $5,975 USD|Low: $2,506 USD|High: $6,160 USD|Avg: $3,366 USD|-3.0%
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
November 7, 2026
Retailer 4$2,506 USD
Retailer 3$2,560 USD
Retailer 13$2,717 USD
Retailer 8$2,772 USD
Retailer 6$2,800 USD
Retailer 7$2,858 USD
Retailer 14$2,858 USD
Retailer 5$2,968 USD
Retailer 15$3,000 USD
Retailer 2$3,025 USD
Retailer 12$3,298 USD
Retailer 9$3,327 USD
Retailer 10$3,488 USD
Retailer 11$4,993 USD
NZ Jewellers$5,975 USD

29 data points across 15 retailers

15 retailers$2,506 USD to $5,975 USD

A
Cheapest Retailer
-
$2,506 USD
A
Retailer 2
-
$2,560 USD
View
A
Retailer 3
-
$2,717 USD
View
A
Retailer 4
-
$2,772 USD
View
A
Retailer 5
-
$2,800 USD
View
Retailer 6
-
$2,858 USD
View
Price last confirmed 9 days ago
A
Retailer 7
-
$2,858 USD
View
A
Retailer 8
-
$2,968 USD
View
A
Retailer 9
-
$3,000 USD
View
A
Retailer 10
-
$3,025 USD
View
A
Retailer 11
-
$3,298 USD
View
A
Retailer 12
-
$3,327 USD
View
A
Retailer 13
-
$3,488 USD
View
B
Retailer 14
-
$4,993 USD
View
Most Expensive
B
NZ Jewellers
b1e514a5-1d17-413c-8b6e-dd9382e361b6 · Nov 5
$5,975 USD
View
14 more retailers have this diamond
Prices start from $2,506 USDSave up to $3,469 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
$2,506 USD