Radiant|Natural|GIA

1.50ct J SI2 Radiant Natural Diamond

EX • J/SI2 • GIA 5553842991

Certificate GIA 5553842991

Diamond specifications and retailer prices

From $2,726 USD
HK$21,300 HKD
As of October 31, 2026
Save $3,342 USD (55%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,287 USD at NZ Jewellers · As of October 17, 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 5553842991. Listed at 18 retailers as of October 29, 2026, with a 123% 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553842991
Dimensions7.42 × 5.72 × 3.99 mm
L/W Ratio1.30
Girdle conditionPolished
Culet sizeNone
Key to symbols
Knot, Feather, Crystal, Cavity, Needle, Natural
Top View
7.42 mm5.72 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5553842991
Side View
Table 70.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.8%

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: Oct 31
Current: $6,287 USD|Low: $2,701 USD|High: $6,414 USD|Avg: $3,957 USD|-2.0%
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
October 31, 2026
Retailer 2$2,726 USD
Retailer 9$2,914 USD
Retailer 6$3,242 USD
Retailer 13$3,330 USD
Retailer 10$3,579 USD
Retailer 3$3,609 USD
Retailer 7$3,682 USD
Retailer 4$3,754 USD
Retailer 11$3,771 USD
Retailer 5$3,786 USD
Retailer 15$3,810 USD
Retailer 14$4,164 USD
Retailer 8$4,224 USD
Retailer 12$6,068 USD
NZ Jewellers$6,287 USD

25 data points across 15 retailers

18 retailers$2,726 USD to $6,068 USD

A
Cheapest Retailer
-
$2,726 USD
HK$21,300 HKD
A
Retailer 2
-
$2,914 USD
₹277,551 INR
View
A
Retailer 3
-
$3,242 USD
SGD 4,381 SGD
View
A
Retailer 4
-
$3,330 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,401 USD
View
A
Retailer 6
-
$3,579 USD
£2,818 GBP
View
Retailer 7
-
$3,609 USD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$3,613 USD
A$5,558 AUD
View
Retailer 9
-
$3,682 USD
View
Price last confirmed 15 days ago
B+
Retailer 10
-
$3,754 USD
View
B+
Retailer 11
-
$3,771 USD
£2,970 GBP
View
B+
Retailer 12
-
$3,786 USD
SGD 5,116 SGD
View
B+
Retailer 13
-
$3,810 USD
View
Retailer 14
-
$3,823 USD
View
Price last confirmed 14 days ago
Retailer 15
-
$4,164 USD
View
Price last confirmed 12 days ago
B+
Retailer 16
-
$4,224 USD
€4,023 EUR
View
B
Retailer 17
-
$6,068 USD
£4,778 GBP
View
Most Expensive
NZ Jewellers
e1ade95d-5f3e-4c6c-a1b9-4c83c4ad66e6 · Oct 17
$6,287 USD
View
Price last confirmed 13 days ago
17 more retailers have this diamond
Prices start from $2,726 USDSave up to $3,342 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
$2,726 USD