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Round|Natural|GIA

1.51ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 5241026924

Certificate GIA 5241026924

Diamond specifications and retailer prices

From $11,674 CAD
$8,357 USD
As of October 30, 2026
Save $9,736 CAD (45%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $21,410 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5241026924. Listed at 21 retailers as of October 30, 2026, with prices from $11,674 to $21,410, a $9,736 spread on the same certified stone. NZ Jewellers lists it at $21,410. 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

1.51
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5241026924
Dimensions7.28 × 7.32 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.28 mm7.32 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5241026924
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $21,410 CAD|Low: $11,231 CAD|High: $21,410 CAD|Avg: $15,231 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
October 31, 2026
Retailer 3$11,674 CAD
Retailer 9$11,776 CAD
Retailer 10$12,354 CAD
Retailer 2$13,840 CAD
Retailer 4$13,916 CAD
Retailer 7$14,124 CAD
Retailer 11$14,131 CAD
Retailer 12$14,293 CAD
Retailer 5$15,477 CAD
Retailer 8$18,538 CAD
Retailer 6$20,169 CAD
NZ Jewellers$21,410 CAD

43 data points across 12 retailers

21 retailers$11,674 CAD to $21,410 CAD

A
Cheapest Retailer
-
$11,674 CAD
$8,357 USD
Retailer 2
-
$11,776 CAD
$8,430 USD
View
Price last confirmed 10 days ago
B+
Retailer 3
-
$12,354 CAD
$8,844 USD
View
Final sale: no returns
B+
Retailer 4
-
$12,404 CAD
$8,880 USD
View
B+
Retailer 5
-
$12,452 CAD
View
B+
Retailer 6
-
$13,840 CAD
£7,802 GBP
View
B+
Retailer 7
-
$13,916 CAD
$9,962 USD
View
Retailer 8
-
$14,124 CAD
A$15,556 AUD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$14,131 CAD
$10,116 USD
View
B+
Retailer 10
-
$14,293 CAD
$10,232 USD
View
B
Retailer 11
-
$14,803 CAD
$10,597 USD
View
B+
Retailer 12
-
$15,128 CAD
$10,830 USD
View
B+
Retailer 13
-
$15,128 CAD
$10,830 USD
View
B+
Retailer 14
-
$15,477 CAD
€10,552 EUR
View
B+
Retailer 15
-
$15,631 CAD
$11,190 USD
View
B+
Retailer 16
-
$16,057 CAD
$11,495 USD
View
B
Retailer 17
-
$16,437 CAD
$11,767 USD
View
Retailer 18
-
$16,907 CAD
$12,103 USD
View
Price last confirmed 8 days ago
Retailer 19
-
$18,538 CAD
ZAR 214,392 ZAR
View
Price last confirmed 9 days ago
B
Retailer 20
-
$20,169 CAD
£11,369 GBP
View
Most Expensive
B
NZ Jewellers
cbbe9cfe-acaf-44be-8157-92f430013637 · Oct 30
$21,410 CAD
$15,327 USD
View
20 more retailers have this diamond
Prices start from $11,674 CADSave up to $9,736 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
$11,674 CAD