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Round|Natural|GIA

1.51ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1176060108

Certificate GIA 1176060108

Diamond specifications and retailer prices

From $18,180 CAD
$13,010 USD
As of November 1, 2026
Save $12,325 CAD (40%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $36,827 CAD at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

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 1176060108. Listed at 22 retailers as of November 1, 2026, with a 68% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1176060108
Dimensions7.37 × 7.33 × 4.49 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.37 mm7.33 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1176060108
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.1%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $32,427 CAD|Low: $17,303 CAD|High: $32,818 CAD|Avg: $23,957 CAD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6$18,180 CAD
Retailer 7$19,899 CAD
Retailer 3$21,708 CAD
Retailer 5$21,812 CAD
Retailer 8$22,147 CAD
Retailer 2$25,032 CAD
Retailer 4$30,505 CAD
Retailer 1$32,427 CAD

42 data points across 8 retailers

22 retailers$18,180 CAD to $30,505 CAD

B
Cheapest Retailer
-
$18,180 CAD
$13,010 USD
B
Retailer 2
-
$18,992 CAD
$13,591 USD
View
B
Retailer 3
-
$19,088 CAD
$13,660 USD
View
B
Retailer 4
-
$19,444 CAD
View
B
Retailer 5
-
$19,597 CAD
A$21,575 AUD
View
B
Retailer 6
-
$19,899 CAD
$14,240 USD
View
Final sale: no returns
B
Retailer 7
-
$20,367 CAD
$14,575 USD
View
B
Retailer 8
-
$20,764 CAD
$14,859 USD
View
B
Retailer 9
-
$21,708 CAD
£12,232 GBP
View
Retailer 10
-
$21,812 CAD
A$24,013 AUD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$22,147 CAD
$15,849 USD
View
B
Retailer 12
-
$22,494 CAD
$16,097 USD
View
B
Retailer 13
-
$23,359 CAD
$16,716 USD
View
B
Retailer 14
-
$23,434 CAD
$16,770 USD
View
B
Retailer 15
-
$23,434 CAD
$16,770 USD
View
B
Retailer 16
-
$24,112 CAD
$17,255 USD
View
B
Retailer 17
-
$24,217 CAD
$17,330 USD
View
B
Retailer 18
-
$25,032 CAD
€17,060 EUR
View
B
Retailer 19
-
$29,415 CAD
$21,050 USD
View
B
Retailer 20
-
$30,505 CAD
ZAR 352,662 ZAR
View
Retailer 21
-
$32,427 CAD
£18,272 GBP
View
Price under review
Most Expensive
Diamond Quarter
1.51SI1G1108A058N · Nov 2
$36,827 CAD
£20,751 GBP
View
Price under review
21 more retailers have this diamond
Prices start from $18,180 CADSave up to $12,325 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
$18,180 CAD