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Radiant|Natural|GIA

1.50ct J SI1 Radiant Natural Diamond

ID • J/SI1 • GIA 2567499446

Certificate GIA 2567499446

Diamond specifications and retailer prices

From $2,970 USD
HK$23,200 HKD
As of November 1, 2026
Save $4,309 USD (59%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $7,279 USD at NZ Jewellers · As of October 30, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2567499446. Listed at 21 retailers as of October 30, 2026, with prices from $2,970 to $7,279, a $4,309 spread on the same certified stone. NZ Jewellers lists it at $7,279. 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
J
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2567499446
Dimensions7.58 × 5.61 × 3.81 mm
L/W Ratio1.35
Girdle conditionPolished
Top View
7.58 mm5.61 mm1.50 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2567499446
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.8%

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 1
Current: $7,279 USD|Low: $2,842 USD|High: $7,375 USD|Avg: $4,250 USD|-1.3%
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
November 1, 2026
Retailer 18$2,970 USD
Retailer 13$2,996 USD
Retailer 4$3,080 USD
Retailer 7$3,174 USD
Retailer 5$3,180 USD
Retailer 3$3,371 USD
Retailer 8$3,493 USD
Retailer 9$3,582 USD
Retailer 11$3,621 USD
Retailer 6$3,625 USD
Retailer 2$3,690 USD
Retailer 16$3,778 USD
Retailer 14$4,020 USD
Retailer 12$4,187 USD
Retailer 20$4,292 USD
Retailer 19$4,512 USD
Retailer 17$5,135 USD
Retailer 10$6,138 USD
Retailer 15$6,988 USD
NZ Jewellers$7,279 USD

18 data points across 20 retailers

21 retailers$2,970 USD to $7,279 USD

A
Cheapest Retailer
-
$2,970 USD
HK$23,200 HKD
A
Retailer 2
-
$2,996 USD
View
A
Retailer 3
-
$3,080 USD
View
A
Retailer 4
-
$3,174 USD
View
A
Retailer 5
-
$3,180 USD
View
A
Retailer 6
-
$3,371 USD
View
A
Retailer 7
-
$3,493 USD
View
Final sale: no returns
A
Retailer 8
-
$3,524 USD
A$5,422 AUD
View
A
Retailer 9
-
$3,582 USD
View
Retailer 10
-
$3,621 USD
SGD 4,893 SGD
View
Price last confirmed 13 days ago
A
Retailer 11
-
$3,625 USD
View
A
Retailer 12
-
$3,690 USD
View
A
Retailer 13
-
$3,778 USD
£2,975 GBP
View
B+
Retailer 14
-
$4,020 USD
£3,165 GBP
View
B+
Retailer 15
-
$4,292 USD
View
B+
Retailer 16
-
$4,512 USD
€4,297 EUR
View
Retailer 17
-
$4,545 USD
A$6,992 AUD
View
Price last confirmed 23 days ago
B
Retailer 18
-
$5,135 USD
ZAR 82,964 ZAR
View
B
Retailer 19
-
$6,138 USD
View
B
Retailer 20
-
$6,988 USD
£5,502 GBP
View
Most Expensive
B
NZ Jewellers
4385700f-a300-4bea-b203-c2c6447b4c60 · Oct 30
$7,279 USD
View
20 more retailers have this diamond
Prices start from $2,970 USDSave up to $4,309 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
$2,970 USD