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Radiant|Natural|GIA

1.21ct F SI1 Radiant Natural Diamond

EX • F/SI1 • GIA 2566444631

Certificate GIA 2566444631

Diamond specifications and retailer prices

From $6,094 NZD
As of November 4, 2026
Save $4,855 NZD (44%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,949 NZD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded F 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 2566444631. Listed at 14 retailers as of November 4, 2026, with prices from $6,094 to $10,949, a $4,855 spread on the same certified stone. Wholesale Diamonds Direct lists it at $10,949. 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

1.21
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2566444631
Dimensions7.41 × 5.30 × 3.60 mm
L/W Ratio1.40
Culet sizeNone
Top View
7.41 mm5.30 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566444631
Side View
Table 68.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 67.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $7,033 NZD|Low: $6,094 NZD|High: $10,949 NZD|Avg: $7,901 NZD|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Wholesale Diamonds Direct
November 7, 2026
Retailer 12$6,094 NZD
Retailer 3$6,193 NZD
Retailer 8$6,241 NZD
Retailer 10$6,510 NZD
Retailer 9$6,602 NZD
Retailer 5$6,649 NZD
Retailer 1$7,033 NZD
Retailer 11$7,751 NZD
Retailer 4$7,842 NZD
Retailer 7$8,121 NZD
Retailer 6$8,455 NZD
Retailer 2$10,277 NZD
Retailer 13$10,917 NZD
Wholesale Diamonds Direct$10,949 NZD

38 data points across 14 retailers

14 retailers$6,094 NZD to $10,949 NZD

B+
Cheapest Retailer
-
$6,094 NZD
B+
Retailer 2
-
$6,193 NZD
View
B+
Retailer 3
-
$6,241 NZD
View
B+
Retailer 4
-
$6,510 NZD
View
Retailer 5
-
$6,602 NZD
View
Price last confirmed 10 days ago
B+
Retailer 6
-
$6,649 NZD
View
B+
Retailer 7
-
$7,033 NZD
View
B
Retailer 8
-
$7,751 NZD
View
B
Retailer 9
-
$7,842 NZD
View
B
Retailer 10
-
$8,121 NZD
View
B
Retailer 11
-
$8,455 NZD
View
B
Retailer 12
-
$10,277 NZD
View
B
Retailer 13
-
$10,917 NZD
View
Most Expensive
B
Wholesale Diamonds Direct
451166363 · Nov 6
$10,949 NZD
$6,069 USD
View
13 more retailers have this diamond
Prices start from $6,094 NZDSave up to $4,855 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.

B+
1.21ct Radiant
$6,094 NZD