Radiant|Natural|GIA

1.04ct E SI1 Radiant Natural Diamond

ID • E/SI1 • GIA 253

Certificate GIA 253

Diamond specifications and retailer prices

From $2,861 USD
As of November 4, 2026
Save $590 USD (17%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,451 USD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.04ct natural radiant diamond

This 1.04ct natural radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 3 retailers as of November 4, 2026, with prices from $2,861 to $3,451, a $590 spread on the same certified stone. Blue Nile lists it at $3,451. 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

1.04
Carat
E
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 253
Dimensions5.83 × 5.46 × 3.70 mm
L/W Ratio1.07
Top View
5.83 mm5.46 mm1.04 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 253
Side View
Table 68.0%CrownGirdle: ThickPavilionCulet: NoneDepth 67.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $3,451 USD|Low: $2,861 USD|High: $3,451 USD|Avg: $3,039 USD
Blue Nile
Retailer 2
Retailer 3
September 23, 2026
Retailer 3$2,861 USD
Retailer 2$2,916 USD
Blue Nile$3,451 USD

3 data points across 3 retailers

3 retailers$2,861 USD to $3,451 USD

A
Cheapest Retailer
-
$2,861 USD
B+
Retailer 2
-
$2,916 USD
View
Most Expensive
B
Blue Nile
14101854 · Nov 5
$3,451 USD
View
2 more retailers have this diamond
Prices start from $2,861 USDSave up to $590 USD

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
1.04ct Radiant
$2,861 USD