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1.51ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7481667514

Certificate GIA 7481667514

Diamond specifications and retailer prices

From $9,464 CAD
$6,775 USD
As of October 28, 2026
Save $11,041 CAD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $20,505 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7481667514. Listed at 19 retailers as of October 28, 2026, with prices from $9,464 to $20,505, a $11,041 spread on the same certified stone. NZ Jewellers lists it at $20,505. 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7481667514
Dimensions7.35 × 7.30 × 4.53 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Pinpoints are not shown.
Top View
7.35 mm7.30 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7481667514
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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: Oct 28
Current: $12,655 CAD|Low: $9,464 CAD|High: $17,292 CAD|Avg: $12,424 CAD|+3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8$9,464 CAD
Retailer 7$9,599 CAD
Retailer 9$10,239 CAD
Retailer 2$11,277 CAD
Retailer 3$11,348 CAD
Retailer 6$11,611 CAD
Retailer 1$12,655 CAD
Retailer 10$13,750 CAD
Retailer 4$15,061 CAD
Retailer 5$17,176 CAD

45 data points across 10 retailers

19 retailers$9,464 CAD to $20,505 CAD

B+
Cheapest Retailer
-
$9,464 CAD
$6,775 USD
B+
Retailer 2
-
$9,599 CAD
$6,872 USD
View
B+
Retailer 3
-
$10,239 CAD
$7,330 USD
View
B+
Retailer 4
-
$10,252 CAD
$7,339 USD
View
B+
Retailer 5
-
$11,107 CAD
$7,951 USD
View
B+
Retailer 6
-
$11,277 CAD
$8,073 USD
View
B+
Retailer 7
-
$11,348 CAD
£6,397 GBP
View
Retailer 8
-
$11,611 CAD
A$12,788 AUD
View
Price last confirmed 10 days ago
B
Retailer 9
-
$12,223 CAD
$8,750 USD
View
B
Retailer 10
-
$12,223 CAD
$8,750 USD
View
B
Retailer 11
-
$12,628 CAD
$9,040 USD
View
B
Retailer 12
-
$12,655 CAD
€8,628 EUR
View
B
Retailer 13
-
$12,815 CAD
$9,174 USD
View
Retailer 14
-
$13,502 CAD
$9,666 USD
View
Price last confirmed 9 days ago
Retailer 15
-
$13,750 CAD
£7,751 GBP
View
Price last confirmed 32 days ago
B
Retailer 16
-
$15,061 CAD
ZAR 174,184 ZAR
View
B
Retailer 17
-
$17,176 CAD
£9,682 GBP
View
B
Retailer 18
-
$19,374 CAD
£10,921 GBP
View
Most Expensive
B
NZ Jewellers
9149c5bf-0b50-4c78-bce4-33fd8893ebd1 · Oct 30
$20,505 CAD
$14,679 USD
View
18 more retailers have this diamond
Prices start from $9,464 CADSave up to $11,041 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
$9,464 CAD