Radiant|Natural|GIA

1.22ct F SI2 Radiant Natural Diamond

EX • F/SI2 • GIA 1559278492

Certificate GIA 1559278492

Diamond specifications and retailer prices

From $5,118 NZD
As of November 6, 2026
Save $6,241 NZD (55%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $11,359 NZD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.22ct natural radiant diamond

This 1.22ct natural radiant sits in the classic one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1559278492. Listed at 8 retailers as of November 3, 2026, with prices from $5,118 to $11,359, a $6,241 spread on the same certified stone. NZ Jewellers lists it at $11,359. 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

1.22
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle48.73°
Pavilion angle36.31°
OriginNatural
Grading LabGIA
CertificateGIA 1559278492
Dimensions7.05 × 5.43 × 3.65 mm
L/W Ratio1.30
Girdle conditionThick
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.05 mm5.43 mm1.22 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1559278492
Side View
Table 69.0%Crown 48.73°Girdle: STK-THKPavilion 36.31°Culet: NoneDepth 67.2%

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: $11,359 NZD|Low: $5,118 NZD|High: $11,359 NZD|Avg: $6,625 NZD|+17.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 5$5,118 NZD
Retailer 2$5,377 NZD
Retailer 6$5,433 NZD
Retailer 4$5,643 NZD
Retailer 8$5,700 NZD
Retailer 7$5,702 NZD
Retailer 9$6,294 NZD
Retailer 3$9,038 NZD
NZ Jewellers$11,359 NZD

33 data points across 9 retailers

8 retailers$5,118 NZD to $11,359 NZD

A
Cheapest Retailer
-
$5,118 NZD
A
Retailer 2
-
$5,377 NZD
View
A
Retailer 3
-
$5,433 NZD
View
B+
Retailer 4
-
$5,643 NZD
View
Retailer 5
-
$5,700 NZD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
$5,702 NZD
View
B
Retailer 7
-
$9,038 NZD
View
Most Expensive
B
NZ Jewellers
35a5497c-79b6-4928-81c2-3fc9e52e1c14 · Nov 3
$11,359 NZD
$6,297 USD
View
7 more retailers have this diamond
Prices start from $5,118 NZDSave up to $6,241 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
1.22ct Radiant
$5,118 NZD