Radiant|Natural|GIA

1.50ct L SI1 Radiant Natural Diamond

EX • L/SI1 • GIA 6531975175

Certificate GIA 6531975175

Diamond specifications and retailer prices

From $2,792 USD
As of November 4, 2026
Save $2,904 USD (51%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,696 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 L 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 6531975175. Listed at 14 retailers as of November 4, 2026, with prices from $2,792 to $5,696, a $2,904 spread on the same certified stone. NZ Jewellers lists it at $5,696. 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
L
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6531975175
Dimensions8.08 × 5.43 × 3.84 mm
L/W Ratio1.49
Top View
8.08 mm5.43 mm1.50 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6531975175
Side View
Table 63.0%CrownGirdlePavilionCulet: NoneDepth 70.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $5,696 USD|Low: $2,681 USD|High: $5,696 USD|Avg: $3,457 USD|+2.4%
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
November 7, 2026
Retailer 4$2,792 USD
Retailer 3$2,902 USD
Retailer 14$2,997 USD
Retailer 5$3,165 USD
Retailer 7$3,215 USD
Retailer 11$3,269 USD
Retailer 13$3,269 USD
Retailer 2$3,383 USD
Retailer 12$3,395 USD
Retailer 6$3,413 USD
Retailer 10$3,772 USD
Retailer 8$3,806 USD
Retailer 9$3,990 USD
NZ Jewellers$5,696 USD

25 data points across 14 retailers

14 retailers$2,792 USD to $5,696 USD

B+
Cheapest Retailer
-
$2,792 USD
B+
Retailer 2
-
$2,902 USD
View
B+
Retailer 3
-
$2,997 USD
View
B+
Retailer 4
-
$3,165 USD
View
B+
Retailer 5
-
$3,215 USD
View
B
Retailer 6
-
$3,269 USD
View
Retailer 7
-
$3,269 USD
View
Price last confirmed 9 days ago
B
Retailer 8
-
$3,383 USD
View
B
Retailer 9
-
$3,395 USD
View
B
Retailer 10
-
$3,413 USD
View
B
Retailer 11
-
$3,772 USD
View
B
Retailer 12
-
$3,806 USD
View
B
Retailer 13
-
$3,990 USD
View
Most Expensive
B
NZ Jewellers
31d9b2a6-61a1-4c63-9edb-e90d664cb76a · Nov 5
$5,696 USD
View
13 more retailers have this diamond
Prices start from $2,792 USDSave up to $2,904 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.

B+
1.50ct Radiant
$2,792 USD