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Round|Natural|GIA

1.18ct I IF Round Natural Diamond

EX • I/IF • GIA 5426495403

Certificate GIA 5426495403

Diamond specifications and retailer prices

From $4,613 CAD
HK$25,800 HKD
As of October 30, 2026
Save $2,990 CAD (39%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $7,604 CAD at My Antwerp Diamonds · As of October 29, 2026
View at My Antwerp Diamonds

About this 1.18ct natural round diamond

This 1.18ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 5426495403. Listed at 4 retailers as of October 29, 2026, with prices from $4,613 to $7,604, a $2,990 spread on the same certified stone. My Antwerp Diamonds lists it at $7,604. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
I
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5426495403
Dimensions6.76 × 6.74 × 4.23 mm
L/W Ratio1.00
Top View
6.76 mm6.74 mm1.18 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5426495403
Side View
Table 55.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

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: $6,790 CAD|Low: $4,382 CAD|High: $6,841 CAD|Avg: $5,619 CAD|+0.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 4$4,382 CAD
Retailer 2$4,613 CAD
Retailer 3$6,657 CAD
Retailer 1$6,790 CAD

22 data points across 4 retailers

4 retailers$4,613 CAD to $7,604 CAD

A
Cheapest Retailer
-
$4,613 CAD
HK$25,800 HKD
B+
Retailer 2
-
$6,790 CAD
€4,629 EUR
View
B+
Retailer 3
-
$7,067 CAD
€4,818 EUR
View
Most Expensive
B+
My Antwerp Diamonds
5426495403 · Oct 29
$7,604 CAD
€5,184 EUR
View
3 more retailers have this diamond
Prices start from $4,613 CADSave up to $2,990 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
1.18ct Round
$4,613 CAD