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Radiant|Natural|GIA

1.22ct E SI1 Radiant Natural Diamond

VG • E/SI1 • GIA 6551558744

Certificate GIA 6551558744

Diamond specifications and retailer prices

From $5,603 NZD
As of November 4, 2026
Save $5,055 NZD (47%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,657 NZD at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

About this 1.22ct natural radiant diamond

This 1.22ct natural radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6551558744. Listed at 12 retailers as of November 4, 2026, with prices from $5,603 to $10,657, a $5,055 spread on the same certified stone. Helzberg Diamonds lists it at $10,657. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.22
Carat
E
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551558744
Dimensions6.94 × 5.33 × 3.67 mm
L/W Ratio1.30
Culet sizeNone
Top View
6.94 mm5.33 mm1.22 ctE / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551558744
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.8%

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 4
Current: $10,657 NZD|Low: $5,603 NZD|High: $10,872 NZD|Avg: $7,519 NZD|+1.9%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 9$5,603 NZD
Retailer 5$5,740 NZD
Retailer 7$6,039 NZD
Retailer 8$6,052 NZD
Retailer 2$6,536 NZD
Retailer 3$6,748 NZD
Retailer 10$7,160 NZD
Retailer 12$7,275 NZD
Retailer 6$7,470 NZD
Retailer 4$9,449 NZD
Retailer 11$10,134 NZD
Helzberg Diamonds$10,657 NZD

43 data points across 12 retailers

12 retailers$5,603 NZD to $10,657 NZD

A
Cheapest Retailer
-
$5,603 NZD
A
Retailer 2
-
$5,740 NZD
View
B+
Retailer 3
-
$6,039 NZD
View
B+
Retailer 4
-
$6,052 NZD
View
B+
Retailer 5
-
$6,536 NZD
View
B+
Retailer 6
-
$6,748 NZD
View
B+
Retailer 7
-
$7,160 NZD
View
B+
Retailer 8
-
$7,275 NZD
View
B+
Retailer 9
-
$7,470 NZD
View
B
Retailer 10
-
$9,449 NZD
View
B
Retailer 11
-
$10,134 NZD
View
Most Expensive
B
Helzberg Diamonds
XZRMLLHLLONKK · Nov 4
$10,657 NZD
$5,908 USD
View
11 more retailers have this diamond
Prices start from $5,603 NZDSave up to $5,055 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
$5,603 NZD