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Round|Natural|GIA

1.51ct I SI1 Round Natural Diamond

VG • I/SI1 • GIA 6531260924

Certificate GIA 6531260924

Diamond specifications and retailer prices

From $4,649 CAD
HK$26,000 HKD
As of October 31, 2026
Save $6,307 CAD (58%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $10,956 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6531260924. Listed at 19 retailers as of October 30, 2026, with prices from $4,649 to $10,956, a $6,307 spread on the same certified stone. NZ Jewellers lists it at $10,956. 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
I
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceVery Strong
Crown angle37°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 6531260924
Dimensions7.20 × 7.11 × 4.54 mm
L/W Ratio1.01
Top View
7.20 mm7.11 mm1.51 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceVery Strong
CertificateGIA 6531260924
Side View
Table 58.0%Crown 37°Girdle: STK-THKPavilion 40°Culet: NoneDepth 63.5%

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: $10,956 CAD|Low: $4,595 CAD|High: $10,956 CAD|Avg: $6,819 CAD
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$4,649 CAD
Retailer 11$5,375 CAD
Retailer 13$5,609 CAD
Retailer 15$5,803 CAD
Retailer 14$5,804 CAD
Retailer 8$6,012 CAD
Retailer 4$6,289 CAD
Retailer 5$6,289 CAD
Retailer 3$6,339 CAD
Retailer 7$6,346 CAD
Retailer 12$7,052 CAD
Retailer 9$7,118 CAD
Retailer 6$7,255 CAD
Retailer 10$10,070 CAD
NZ Jewellers$10,956 CAD

42 data points across 15 retailers

19 retailers$4,649 CAD to $10,956 CAD

A
Cheapest Retailer
-
$4,649 CAD
HK$26,000 HKD
B+
Retailer 2
-
$5,375 CAD
$3,848 USD
View
Retailer 3
-
$5,441 CAD
$3,895 USD
View
Price last confirmed 14 days ago
B+
Retailer 4
-
$5,484 CAD
$3,926 USD
View
Retailer 5
-
$5,609 CAD
$4,015 USD
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$5,803 CAD
$4,154 USD
View
Final sale: no returns
A
Retailer 7
-
$5,804 CAD
SGD 5,615 SGD
View
B+
Retailer 8
-
$5,852 CAD
SGD 5,661 SGD
View
A
Retailer 9
-
$6,012 CAD
£3,389 GBP
View
B+
Retailer 10
-
$6,289 CAD
$4,502 USD
View
B+
Retailer 11
-
$6,289 CAD
$4,502 USD
View
Retailer 12
-
$6,339 CAD
A$6,982 AUD
View
Price last confirmed 22 days ago
B+
Retailer 13
-
$6,346 CAD
$4,543 USD
View
B+
Retailer 14
-
$7,052 CAD
£3,975 GBP
View
B+
Retailer 15
-
$7,118 CAD
€4,853 EUR
View
B+
Retailer 16
-
$7,255 CAD
$5,194 USD
View
B
Retailer 17
-
$8,937 CAD
$6,398 USD
View
B
Retailer 18
-
$10,070 CAD
£5,676 GBP
View
Most Expensive
B
NZ Jewellers
1cc335ea-eb93-44d1-91b3-413f7d96281e · Oct 30
$10,956 CAD
$7,843 USD
View
18 more retailers have this diamond
Prices start from $4,649 CADSave up to $6,307 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
$4,649 CAD