Radiant|Natural|GIA

1.25ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 7518348685

Certificate GIA 7518348685

Diamond specifications and retailer prices

From $3,429 USD
As of November 6, 2026
Save $3,039 USD (47%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,468 USD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.25ct natural radiant diamond

This 1.25ct natural radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7518348685. Listed at 10 retailers as of November 6, 2026, with prices from $3,429 to $6,468, a $3,039 spread on the same certified stone. Wholesale Diamonds Direct lists it at $6,468. 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

1.25
Carat
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7518348685
Dimensions6.98 × 5.37 × 3.71 mm
L/W Ratio1.30
Culet sizeNone
Top View
6.98 mm5.37 mm1.25 ctI / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 7518348685
Side View
Table 64.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,756 USD|Low: $3,234 USD|High: $5,150 USD|Avg: $4,169 USD|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4$3,429 USD
Retailer 3$3,557 USD
Retailer 5$3,852 USD
Retailer 6$4,410 USD
Retailer 1$4,756 USD
Retailer 2$5,080 USD

42 data points across 6 retailers

10 retailers$3,429 USD to $6,468 USD

A
Cheapest Retailer
-
$3,429 USD
A
Retailer 2
-
$3,439 USD
View
A
Retailer 3
-
$3,524 USD
View
A
Retailer 4
-
$3,557 USD
View
Final sale: no returns
B+
Retailer 5
-
$3,852 USD
View
B
Retailer 6
-
$4,410 USD
View
B
Retailer 7
-
$4,756 USD
View
B
Retailer 8
-
$5,080 USD
View
B
Retailer 9
-
$5,263 USD
View
Most Expensive
B
Wholesale Diamonds Direct
136895237 · Nov 6
$6,468 USD
View
9 more retailers have this diamond
Prices start from $3,429 USDSave up to $3,039 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
1.25ct Radiant
$3,429 USD