Radiant|Natural|GIA

1.05ct G SI1 Radiant Natural Diamond

EX • G/SI1 • GIA 2537447421

Certificate GIA 2537447421

Diamond specifications and retailer prices

From $2,427 USD
As of November 1, 2026
Save $1,732 USD (42%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,159 USD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

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 2537447421. Listed at 5 retailers as of November 1, 2026, with prices from $2,427 to $4,159, a $1,732 spread on the same certified stone. 77 Diamonds lists it at $4,159. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2537447421
Dimensions7.39 × 5.05 × 3.41 mm
L/W Ratio1.46
Top View
7.39 mm5.05 mm1.05 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2537447421
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $4,159 USD|Low: $2,427 USD|High: $4,174 USD|Avg: $3,105 USD|+2.1%
77 Diamonds
Retailer 2
Retailer 3
November 2, 2026
Retailer 3$2,427 USD
Retailer 2$2,750 USD
77 Diamonds$4,159 USD

36 data points across 3 retailers

5 retailers$2,427 USD to $4,159 USD

A
Cheapest Retailer
-
$2,427 USD
B+
Retailer 2
-
$2,709 USD
View
B+
Retailer 3
-
$2,725 USD
View
B+
Retailer 4
-
$2,750 USD
View
Most Expensive
B
77 Diamonds
RADZBPBJXMNQ · Nov 2
$4,159 USD
£3,275 GBP
View
4 more retailers have this diamond
Prices start from $2,427 USDSave up to $1,732 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
1.05ct Radiant
$2,427 USD