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Round|Natural|GIA

1.51ct J SI1 Round Natural Diamond

VG • J/SI1 • GIA 6541094309

Certificate GIA 6541094309

Diamond specifications and retailer prices

From $4,059 CAD
HK$22,700 HKD
As of October 30, 2026
Save $5,620 CAD (58%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $9,679 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6541094309. Listed at 20 retailers as of October 30, 2026, with prices from $4,059 to $9,679, a $5,620 spread on the same certified stone. NZ Jewellers lists it at $9,679. 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
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle36.5°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 6541094309
Dimensions7.12 × 7.21 × 4.51 mm
L/W Ratio1.01
Top View
7.12 mm7.21 mm1.51 ctJ / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6541094309
Side View
Table 59.0%Crown 36.5°Girdle: STK-THKPavilion 40°Culet: NoneDepth 62.9%

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 30
Current: $5,314 CAD|Low: $4,059 CAD|High: $9,403 CAD|Avg: $6,001 CAD|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 3$4,059 CAD
Retailer 7$4,723 CAD
Retailer 10$5,101 CAD
Retailer 11$5,128 CAD
Retailer 1$5,314 CAD
Retailer 4$5,555 CAD
Retailer 12$5,956 CAD
Retailer 5$6,289 CAD
Retailer 8$6,360 CAD
Retailer 2$6,716 CAD
Retailer 6$6,765 CAD
Retailer 9$9,340 CAD

43 data points across 12 retailers

20 retailers$4,059 CAD to $9,679 CAD

A
Cheapest Retailer
-
$4,059 CAD
HK$22,700 HKD
A
Retailer 2
-
$4,723 CAD
$3,381 USD
View
B+
Retailer 3
-
$4,889 CAD
$3,500 USD
View
B+
Retailer 4
-
$5,101 CAD
SGD 4,935 SGD
View
B+
Retailer 5
-
$5,128 CAD
$3,671 USD
View
Final sale: no returns
B+
Retailer 6
-
$5,156 CAD
SGD 4,988 SGD
View
B+
Retailer 7
-
$5,314 CAD
£2,996 GBP
View
B+
Retailer 8
-
$5,389 CAD
$3,858 USD
View
B+
Retailer 9
-
$5,555 CAD
$3,977 USD
View
B+
Retailer 10
-
$5,555 CAD
$3,977 USD
View
B+
Retailer 11
-
$5,560 CAD
$3,980 USD
View
Retailer 12
-
$5,956 CAD
A$6,560 AUD
View
Price last confirmed 27 days ago
B+
Retailer 13
-
$6,289 CAD
€4,288 EUR
View
B+
Retailer 14
-
$6,360 CAD
£3,585 GBP
View
B+
Retailer 15
-
$6,410 CAD
$4,589 USD
View
Retailer 16
-
$6,716 CAD
£3,786 GBP
View
Price last confirmed 31 days ago
B
Retailer 17
-
$6,765 CAD
ZAR 78,233 ZAR
View
B
Retailer 18
-
$7,855 CAD
$5,623 USD
View
B
Retailer 19
-
$9,340 CAD
£5,265 GBP
View
Most Expensive
B
NZ Jewellers
a3e18db9-7fba-4524-aeeb-cbfa87a87723 · Oct 30
$9,679 CAD
$6,929 USD
View
19 more retailers have this diamond
Prices start from $4,059 CADSave up to $5,620 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.

A
1.51ct Round
$4,059 CAD