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Round|Natural|GIA

4.00ct E SI2 Round Natural Diamond

ID • E/SI2 • GIA 10

Certificate GIA 10

Diamond specifications and retailer prices

From $79,123 CAD
$56,533 USD
As of October 28, 2026
Save $8,614 CAD (10%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $87,737 CAD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 4ct natural round diamond

This 4ct natural round sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 3 retailers as of October 28, 2026, with a relatively tight 11% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

4.00
Carat
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishGood
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 10
Dimensions10.11 × 10.16 × 6.30 mm
L/W Ratio1.00
Top View
10.11 mm10.16 mm4.00 ctE / SI2
OriginNatural
CutIdeal
PolishGood
SymmetryGood
FluorescenceMedium
CertificateGIA 10
Side View
Table 59.0%CrownGirdle: Med. - Sli. ThickPavilionCulet: NoneDepth 62.1%

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 28
Current: $87,737 CAD|Low: $79,123 CAD|High: $88,176 CAD|Avg: $81,884 CAD|-0.5%
Blue Nile
Retailer 2
Retailer 3
October 18, 2026
Retailer 3$79,123 CAD
Retailer 2$79,280 CAD
Blue Nile$87,737 CAD

5 data points across 3 retailers

3 retailers$79,123 CAD to $87,737 CAD

A
Cheapest Retailer
-
$79,123 CAD
$56,533 USD
A
Retailer 2
-
$79,280 CAD
$56,645 USD
View
Most Expensive
B+
Blue Nile
30169006 · Oct 29
$87,737 CAD
$62,687 USD
View
2 more retailers have this diamond
Prices start from $79,123 CADSave up to $8,614 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
4.00ct Round
$79,123 CAD