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1.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6511363422

Certificate GIA 6511363422

Diamond specifications and retailer prices

From $7,985 CAD
$5,716 USD
As of October 30, 2026
Save $9,405 CAD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $17,390 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6511363422. Listed at 16 retailers as of October 30, 2026, with prices from $7,985 to $17,390, a $9,405 spread on the same certified stone. NZ Jewellers lists it at $17,390. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6511363422
Dimensions7.31 × 7.27 × 4.54 mm
L/W Ratio1.01
Top View
7.31 mm7.27 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6511363422
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.5%

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 30
Current: $10,773 CAD|Low: $7,539 CAD|High: $14,664 CAD|Avg: $10,244 CAD|+4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4$7,879 CAD
Retailer 5$8,215 CAD
Retailer 6$8,693 CAD
Retailer 7$9,419 CAD
Retailer 2$9,736 CAD
Retailer 1$10,773 CAD
Retailer 8$11,456 CAD
Retailer 3$14,567 CAD

38 data points across 8 retailers

16 retailers$7,985 CAD to $17,390 CAD

Retailer 1
-
$7,879 CAD
$5,640 USD
Price last confirmed 9 days ago
A
Retailer 2
-
$7,985 CAD
$5,716 USD
View
A
Retailer 3
-
$8,215 CAD
$5,881 USD
View
B+
Retailer 4
-
$8,693 CAD
$6,223 USD
View
Final sale: no returns
A
Retailer 5
-
$8,694 CAD
$6,224 USD
View
B+
Retailer 6
-
$9,419 CAD
$6,743 USD
View
B+
Retailer 7
-
$9,565 CAD
$6,847 USD
View
B+
Retailer 8
-
$9,736 CAD
£5,488 GBP
View
B+
Retailer 9
-
$10,281 CAD
$7,360 USD
View
B+
Retailer 10
-
$10,281 CAD
$7,360 USD
View
B+
Retailer 11
-
$10,311 CAD
$7,381 USD
View
B+
Retailer 12
-
$10,630 CAD
$7,610 USD
View
B+
Retailer 13
-
$10,773 CAD
€7,345 EUR
View
B+
Retailer 14
-
$10,868 CAD
$7,780 USD
View
B
Retailer 15
-
$14,567 CAD
£8,211 GBP
View
Most Expensive
B
NZ Jewellers
674544cd-a763-4487-a622-a750ca9529cc · Oct 30
$17,390 CAD
$12,449 USD
View
15 more retailers have this diamond
Prices start from $7,985 CADSave up to $9,405 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
$7,985 CAD