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1.51ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1567314878

Certificate GIA 1567314878

Diamond specifications and retailer prices

From $9,988 CAD
$7,150 USD
As of October 31, 2026
Save $12,927 CAD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $22,915 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1567314878. Listed at 19 retailers as of October 30, 2026, with prices from $9,988 to $22,915, a $12,927 spread on the same certified stone. NZ Jewellers lists it at $22,915. 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
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1567314878
Dimensions7.33 × 7.37 × 4.55 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.33 mm7.37 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1567314878
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.2°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 31
Current: $22,915 CAD|Low: $9,988 CAD|High: $22,915 CAD|Avg: $13,491 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 6$9,988 CAD
Retailer 8$10,031 CAD
Retailer 16$10,218 CAD
Retailer 9$10,629 CAD
Retailer 5$10,727 CAD
Retailer 3$11,399 CAD
Retailer 18$11,457 CAD
Retailer 4$12,411 CAD
Retailer 2$12,603 CAD
Retailer 17$12,603 CAD
Retailer 15$12,660 CAD
Retailer 14$13,773 CAD
Retailer 7$14,321 CAD
Retailer 12$14,546 CAD
Retailer 10$15,084 CAD
Retailer 13$16,831 CAD
Retailer 11$19,094 CAD
NZ Jewellers$22,915 CAD

26 data points across 18 retailers

19 retailers$9,988 CAD to $22,915 CAD

B+
Cheapest Retailer
-
$9,988 CAD
$7,150 USD
B+
Retailer 2
-
$10,031 CAD
HK$56,100 HKD
View
B+
Retailer 3
-
$10,218 CAD
$7,315 USD
View
B+
Retailer 4
-
$10,350 CAD
A$11,399 AUD
View
B+
Retailer 5
-
$10,629 CAD
$7,609 USD
View
Final sale: no returns
B+
Retailer 6
-
$10,727 CAD
$7,679 USD
View
B+
Retailer 7
-
$11,399 CAD
$8,160 USD
View
B+
Retailer 8
-
$11,457 CAD
$8,202 USD
View
B+
Retailer 9
-
$12,411 CAD
$8,885 USD
View
B+
Retailer 10
-
$12,603 CAD
£7,104 GBP
View
B
Retailer 11
-
$12,603 CAD
$9,022 USD
View
Retailer 12
-
$12,660 CAD
A$13,943 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$13,773 CAD
€9,390 EUR
View
B
Retailer 14
-
$14,321 CAD
$10,252 USD
View
B+
Retailer 15
-
$14,546 CAD
£8,199 GBP
View
Retailer 16
-
$15,084 CAD
$10,798 USD
View
Price last confirmed 18 days ago
B
Retailer 17
-
$16,831 CAD
ZAR 194,655 ZAR
View
B
Retailer 18
-
$19,094 CAD
£10,763 GBP
View
Most Expensive
B
NZ Jewellers
a883de12-2672-4f63-9446-a9a4284d9292 · Oct 30
$22,915 CAD
$16,404 USD
View
18 more retailers have this diamond
Prices start from $9,988 CADSave up to $12,927 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
$9,988 CAD