CaratHunter
Plans
Radiant|Natural|GIA

1.05ct G SI1 Radiant Natural Diamond

ID • G/SI1 • GIA 2557478773

Certificate GIA 2557478773

Diamond specifications and retailer prices

From $2,580 CAD
$1,847 USD
As of November 1, 2026
Save $525 CAD (17%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,105 CAD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.05ct natural radiant diamond

This 1.05ct natural radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557478773. Listed at 6 retailers as of October 31, 2026, with prices from $2,580 to $3,105, a $525 spread on the same certified stone. Blue Nile lists it at $3,105. 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

1.05
Carat
G
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557478773
Dimensions6.84 × 4.96 × 3.34 mm
L/W Ratio1.38
Culet sizeNone
Key to symbols
Crystal, Cloud, Needle
Top View
6.84 mm4.96 mm1.05 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557478773
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.4%

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: Nov 1
Current: $3,105 CAD|Low: $2,243 CAD|High: $3,304 CAD|Avg: $2,856 CAD|-6.0%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 17, 2026
Retailer 2$2,580 CAD
Retailer 4$2,598 CAD
Retailer 5$2,623 CAD
Retailer 3$2,962 CAD
Retailer 6$3,058 CAD
Blue Nile$3,105 CAD

10 data points across 6 retailers

6 retailers$2,580 CAD to $3,105 CAD

A
Cheapest Retailer
-
$2,580 CAD
$1,847 USD
A
Retailer 2
-
$2,598 CAD
$1,860 USD
View
Final sale: no returns
A
Retailer 3
-
$2,623 CAD
MYR 7,649 MYR
View
A
Retailer 4
-
$2,962 CAD
SGD 2,865 SGD
View
A
Retailer 5
-
$3,058 CAD
A$3,368 AUD
View
Most Expensive
A
Blue Nile
29370756 · Oct 31
$3,105 CAD
$2,223 USD
View
5 more retailers have this diamond
Prices start from $2,580 CADSave up to $525 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
1.05ct Radiant
$2,580 CAD