Radiant|Natural|GIA

1.51ct J SI1 Radiant Natural Diamond

GD • J/SI1 • GIA 2166408841

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate GIA 2166408841

Diamond specifications and retailer prices

From $8,919 CAD
$6,385 USD
As of October 30, 2026
Save $7,198 CAD (45%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $19,241 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 2166408841. Listed at 19 retailers as of October 29, 2026, with a 81% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
J
Color
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2166408841
Dimensions7.01 × 5.92 × 4.08 mm
L/W Ratio1.18
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle, Cavity, Indented Natural, Natural
Top View
7.01 mm5.92 mm1.51 ctJ / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2166408841
Side View
Table 65.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 68.9%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $19,241 CAD|Low: $8,017 CAD|High: $19,241 CAD|Avg: $12,041 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 8$8,647 CAD
Retailer 3$9,620 CAD
Retailer 9$9,620 CAD
Retailer 11$10,422 CAD
Retailer 10$10,583 CAD
Retailer 4$10,765 CAD
Retailer 7$11,028 CAD
Retailer 5$11,853 CAD
Retailer 2$14,133 CAD
Retailer 6$16,117 CAD
NZ Jewellers$19,241 CAD

43 data points across 11 retailers

19 retailers$8,919 CAD to $16,117 CAD

Retailer 1
-
$8,647 CAD
$6,190 USD
Price last confirmed 14 days ago
B
Retailer 2
-
$8,919 CAD
$6,385 USD
View
B
Retailer 3
-
$9,088 CAD
$6,506 USD
View
B
Retailer 4
-
$9,568 CAD
View
B
Retailer 5
-
$9,620 CAD
$6,887 USD
View
C
Retailer 6
-
$9,620 CAD
$6,887 USD
View
Final sale: no returns
B
Retailer 7
-
$9,625 CAD
$6,890 USD
View
B
Retailer 8
-
$9,700 CAD
$6,944 USD
View
C
Retailer 9
-
$10,422 CAD
$7,461 USD
View
C
Retailer 10
-
$10,583 CAD
$7,576 USD
View
B
Retailer 11
-
$10,765 CAD
£6,068 GBP
View
C
Retailer 12
-
$11,010 CAD
$7,882 USD
View
Retailer 13
-
$11,028 CAD
A$12,146 AUD
View
Price last confirmed 10 days ago
C
Retailer 14
-
$11,404 CAD
$8,164 USD
View
C
Retailer 15
-
$11,853 CAD
€8,081 EUR
View
C
Retailer 16
-
$12,026 CAD
$8,609 USD
View
C
Retailer 17
-
$14,133 CAD
ZAR 163,444 ZAR
View
C
Retailer 18
-
$16,117 CAD
£9,085 GBP
View
Most Expensive
NZ Jewellers
aa265c9b-acdc-4735-bff4-8bbd2285797d · Oct 30
$19,241 CAD
$13,774 USD
View
Price under review
18 more retailers have this diamond
Prices start from $8,919 CADSave up to $7,198 CAD

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
1.51ct Radiant
$8,919 CAD