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Round|Natural|IGI

1.51ct F SI2 Round Natural Diamond

VG • F/SI2 • IGI 487189405

Shape and cutting style on the report: Round brilliant

Certificate IGI 487189405

Diamond specifications and retailer prices

From $9,664 CAD
₹658,842 INR
As of November 1, 2026
Save $11,813 CAD (55%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $21,477 CAD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 487189405. Listed at 20 retailers as of October 31, 2026, with prices from $9,664 to $21,477, a $11,813 spread on the same certified stone. Diamond Quarter lists it at $21,477. 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
F
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36.5°
Pavilion angle41.6°
OriginNatural
Grading LabIGI
CertificateIGI 487189405
Dimensions7.24 × 7.17 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.24 mm7.17 mm1.51 ctF / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 487189405
Side View
Table 59.5%Crown 36.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $13,534 CAD|Low: $9,641 CAD|High: $21,321 CAD|Avg: $13,481 CAD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 5$9,664 CAD
Retailer 7$10,819 CAD
Retailer 12$10,876 CAD
Retailer 9$11,766 CAD
Retailer 11$11,767 CAD
Retailer 2$12,748 CAD
Retailer 10$12,944 CAD
Retailer 8$13,176 CAD
Retailer 1$13,534 CAD
Retailer 4$14,709 CAD
Retailer 6$17,767 CAD
Retailer 3$21,321 CAD

46 data points across 12 retailers

20 retailers$9,664 CAD to $21,477 CAD

B+
Cheapest Retailer
-
$9,664 CAD
₹658,842 INR
B+
Retailer 2
-
$10,819 CAD
$7,745 USD
View
B+
Retailer 3
-
$10,876 CAD
$7,786 USD
View
B+
Retailer 4
-
$11,019 CAD
$7,888 USD
View
B
Retailer 5
-
$11,766 CAD
$8,423 USD
View
Final sale: no returns
Retailer 6
-
$11,767 CAD
$8,424 USD
View
Price last confirmed 9 days ago
Retailer 7
-
$12,748 CAD
$9,126 USD
View
Price last confirmed 11 days ago
Retailer 8
-
$12,748 CAD
$9,126 USD
View
Price last confirmed 45 days ago
Retailer 9
-
$12,748 CAD
$9,126 USD
View
Price last confirmed 47 days ago
Retailer 10
-
$12,944 CAD
$9,266 USD
View
Price last confirmed 10 days ago
B
Retailer 11
-
$13,029 CAD
$9,327 USD
View
B
Retailer 12
-
$13,534 CAD
£7,629 GBP
View
Retailer 13
-
$14,709 CAD
$10,530 USD
View
Price last confirmed 43 days ago
Retailer 14
-
$14,709 CAD
$10,530 USD
View
Price last confirmed 10 days ago
Retailer 15
-
$14,709 CAD
$10,530 USD
View
Price last confirmed 48 days ago
B
Retailer 16
-
$17,767 CAD
£10,015 GBP
View
Retailer 17
-
$21,321 CAD
$15,263 USD
View
Price last confirmed 41 days ago
Retailer 18
-
$21,321 CAD
$15,263 USD
View
Price last confirmed 9 days ago
Retailer 19
-
$21,321 CAD
$15,263 USD
View
Price last confirmed 48 days ago
Most Expensive
C
Diamond Quarter
1.51SI2F480558E2N · Oct 31
$21,477 CAD
£12,106 GBP
View
19 more retailers have this diamond
Prices start from $9,664 CADSave up to $11,813 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 Round
$9,664 CAD