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Radiant|Natural|GIA

1.25ct I SI2 Radiant Natural Diamond

EX • I/SI2 • GIA 7518348685

Certificate GIA 7518348685

Diamond specifications and retailer prices

From $6,186 NZD
As of November 6, 2026
Save $5,482 NZD (47%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $11,668 NZD 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 $6,186 to $11,668, a $5,482 spread on the same certified stone. Wholesale Diamonds Direct lists it at $11,668. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $8,579 NZD|Low: $5,834 NZD|High: $9,290 NZD|Avg: $7,521 NZD|+2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4$6,186 NZD
Retailer 3$6,416 NZD
Retailer 5$6,949 NZD
Retailer 6$7,955 NZD
Retailer 1$8,579 NZD
Retailer 2$9,164 NZD

42 data points across 6 retailers

10 retailers$6,186 NZD to $11,668 NZD

A
Cheapest Retailer
-
$6,186 NZD
A
Retailer 2
-
$6,204 NZD
View
A
Retailer 3
-
$6,357 NZD
View
A
Retailer 4
-
$6,416 NZD
View
Final sale: no returns
B+
Retailer 5
-
$6,949 NZD
View
B
Retailer 6
-
$7,955 NZD
View
B
Retailer 7
-
$8,579 NZD
View
B
Retailer 8
-
$9,164 NZD
View
B
Retailer 9
-
$9,494 NZD
View
Most Expensive
B
Wholesale Diamonds Direct
136895237 · Nov 6
$11,668 NZD
$6,468 USD
View
9 more retailers have this diamond
Prices start from $6,186 NZDSave up to $5,482 NZD

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
$6,186 NZD