Radiant|Natural|GIA

1.50ct J SI2 Radiant Natural Diamond

EX • J/SI2 • GIA 3555303611

Certificate GIA 3555303611

Diamond specifications and retailer prices

From $2,621 USD
As of October 31, 2026
Save $3,572 USD (58%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,809 USD at NZ Jewellers · As of September 25, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3555303611. Listed at 16 retailers as of October 30, 2026, with a 136% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555303611
Dimensions7.71 × 5.69 × 3.85 mm
L/W Ratio1.36
Girdle conditionPolished
Top View
7.71 mm5.69 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555303611
Side View
Table 66.0%CrownGirdle: ThickPavilionCulet: NoneDepth 67.6%

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: Oct 31
Current: $6,193 USD|Low: $2,621 USD|High: $6,633 USD|Avg: $3,824 USD|-6.6%
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
October 31, 2026
Retailer 8$2,621 USD
Retailer 9$2,675 USD
Retailer 15$2,857 USD
Retailer 14$2,900 USD
Retailer 2$2,930 USD
Retailer 5$3,059 USD
Retailer 7$3,245 USD
Retailer 6$3,310 USD
Retailer 10$3,427 USD
Retailer 3$3,495 USD
Retailer 12$3,525 USD
Retailer 11$4,162 USD
Retailer 4$5,518 USD
Retailer 13$5,977 USD
NZ Jewellers$6,193 USD

25 data points across 15 retailers

16 retailers$2,621 USD to $6,193 USD

A
Cheapest Retailer
-
$2,621 USD
A
Retailer 2
-
$2,675 USD
HK$20,900 HKD
View
A
Retailer 3
-
$2,857 USD
View
A
Retailer 4
-
$2,900 USD
View
A
Retailer 5
-
$2,930 USD
View
Final sale: no returns
A
Retailer 6
-
$3,059 USD
View
A
Retailer 7
-
$3,245 USD
View
A
Retailer 8
-
$3,310 USD
View
A
Retailer 9
-
$3,427 USD
£2,699 GBP
View
Retailer 10
-
$3,495 USD
View
Price last confirmed 11 days ago
A
Retailer 11
-
$3,525 USD
£2,776 GBP
View
B+
Retailer 12
-
$4,162 USD
€3,964 EUR
View
Retailer 13
-
$5,518 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$5,977 USD
£4,706 GBP
View
B
Retailer 15
-
$6,193 USD
View
Most Expensive
NZ Jewellers
c4f1e1d9-c134-474b-97ce-425374f1214b · Sep 25
$6,809 USD
View
Price last confirmed 36 days ago
15 more retailers have this diamond
Prices start from $2,621 USDSave up to $3,572 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
$2,621 USD