Round|Natural|GIA

1.51ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5443367010

Certificate GIA 5443367010

Diamond specifications and retailer prices

From $7,188 CAD
HK$40,200 HKD
As of October 31, 2026
Save $9,002 CAD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $16,190 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5443367010. Listed at 19 retailers as of October 27, 2026, with prices from $7,188 to $16,190, a $9,002 spread on the same certified stone. NZ Jewellers lists it at $16,190. 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
FluorescenceNone
Crown angle32°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5443367010
Dimensions7.36 × 7.40 × 4.50 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.36 mm7.40 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5443367010
Side View
Table 57.0%Crown 32°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.0%

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: $10,026 CAD|Low: $7,188 CAD|High: $14,434 CAD|Avg: $10,201 CAD|+9.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 4$7,188 CAD
Retailer 3$8,190 CAD
Retailer 9$8,865 CAD
Retailer 10$8,935 CAD
Retailer 11$9,493 CAD
Retailer 2$9,829 CAD
Retailer 5$9,986 CAD
Retailer 1$10,026 CAD
Retailer 6$10,760 CAD
Retailer 7$11,788 CAD
Retailer 8$14,281 CAD

40 data points across 11 retailers

19 retailers$7,188 CAD to $16,190 CAD

A
Cheapest Retailer
-
$7,188 CAD
HK$40,200 HKD
B+
Retailer 2
-
$8,190 CAD
$5,863 USD
View
B+
Retailer 3
-
$8,443 CAD
$6,044 USD
View
B+
Retailer 4
-
$8,461 CAD
$6,057 USD
View
B+
Retailer 5
-
$8,865 CAD
SGD 8,576 SGD
View
Retailer 6
-
$8,936 CAD
$6,397 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$8,968 CAD
$6,420 USD
View
Retailer 8
-
$9,493 CAD
A$10,455 AUD
View
Price last confirmed 28 days ago
B+
Retailer 9
-
$9,681 CAD
$6,930 USD
View
B+
Retailer 10
-
$9,829 CAD
$7,036 USD
View
B+
Retailer 11
-
$9,904 CAD
$7,090 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$9,906 CAD
$7,091 USD
View
B+
Retailer 13
-
$9,986 CAD
€6,808 EUR
View
B
Retailer 14
-
$10,026 CAD
£5,651 GBP
View
B+
Retailer 15
-
$10,760 CAD
£6,065 GBP
View
B+
Retailer 16
-
$11,170 CAD
$7,996 USD
View
B+
Retailer 17
-
$11,788 CAD
ZAR 136,322 ZAR
View
B
Retailer 18
-
$14,281 CAD
£8,050 GBP
View
Most Expensive
B
NZ Jewellers
52f86b50-f4b6-4949-93c9-690b18e8f1aa · Oct 27
$16,190 CAD
$11,590 USD
View
18 more retailers have this diamond
Prices start from $7,188 CADSave up to $9,002 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
$7,188 CAD