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Round|Natural|GIA

1.51ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 7541811764

Certificate GIA 7541811764

Diamond specifications and retailer prices

From $8,600 CAD
₹583,089 INR
As of October 29, 2026
Save $10,099 CAD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $18,699 CAD at NZ Jewellers · As of October 27, 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 7541811764. Listed at 14 retailers as of October 27, 2026, with prices from $8,600 to $18,699, a $10,099 spread on the same certified stone. NZ Jewellers lists it at $18,699. 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
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 7541811764
Dimensions7.28 × 7.32 × 4.61 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Top View
7.28 mm7.32 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7541811764
Side View
Table 56.0%Crown 36°Girdle: ThinPavilion 41.2°Culet: NoneDepth 63.1%

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 29
Current: $18,699 CAD|Low: $8,542 CAD|High: $19,160 CAD|Avg: $11,527 CAD|-2.4%
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
October 29, 2026
Retailer 6$8,600 CAD
Retailer 4$9,036 CAD
Retailer 5$9,522 CAD
Retailer 13$9,664 CAD
Retailer 12$10,303 CAD
Retailer 2$10,470 CAD
Retailer 11$10,782 CAD
Retailer 7$10,820 CAD
Retailer 3$11,415 CAD
Retailer 9$11,687 CAD
Retailer 10$13,613 CAD
Retailer 8$15,665 CAD
NZ Jewellers$18,699 CAD

26 data points across 13 retailers

14 retailers$8,600 CAD to $18,699 CAD

A
Cheapest Retailer
-
$8,600 CAD
₹583,089 INR
A
Retailer 2
-
$8,798 CAD
A$9,636 AUD
View
A
Retailer 3
-
$9,036 CAD
$6,433 USD
View
Final sale: no returns
A
Retailer 4
-
$9,522 CAD
$6,779 USD
View
A
Retailer 5
-
$9,664 CAD
$6,880 USD
View
A
Retailer 6
-
$10,303 CAD
$7,335 USD
View
A
Retailer 7
-
$10,470 CAD
£5,869 GBP
View
A
Retailer 8
-
$10,782 CAD
A$11,808 AUD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$10,820 CAD
£6,065 GBP
View
A
Retailer 10
-
$11,415 CAD
$8,126 USD
View
A
Retailer 11
-
$11,687 CAD
€7,924 EUR
View
B+
Retailer 12
-
$13,613 CAD
ZAR 156,559 ZAR
View
B+
Retailer 13
-
$15,665 CAD
£8,781 GBP
View
Most Expensive
B
NZ Jewellers
0b4a8bda-cb19-441c-9a07-5033c22d5226 · Oct 27
$18,699 CAD
$13,312 USD
View
13 more retailers have this diamond
Prices start from $8,600 CADSave up to $10,099 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
$8,600 CAD