CaratHunter
Plans
Radiant|Natural|GIA

1.21ct G SI1 Radiant Natural Diamond

ID • G/SI1 • GIA 6562357531

Certificate GIA 6562357531

Diamond specifications and retailer prices

From $6,644 NZD
As of November 6, 2026
Save $6,032 NZD (48%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $12,676 NZD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6562357531. Listed at 10 retailers as of November 3, 2026, with prices from $6,644 to $12,676, a $6,032 spread on the same certified stone. NZ Jewellers lists it at $12,676. 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
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle49.61°
Pavilion angle35.08°
OriginNatural
Grading LabGIA
CertificateGIA 6562357531
Dimensions7.14 × 5.37 × 3.53 mm
L/W Ratio1.33
Girdle conditionThick
Key to symbols
Crystal, Feather, Needle
Top View
7.14 mm5.37 mm1.21 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6562357531
Side View
Table 70.0%Crown 49.61°Girdle: SLI-POLPavilion 35.08°Culet: NoneDepth 65.8%

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 6
Current: $12,676 NZD|Low: $6,644 NZD|High: $12,676 NZD|Avg: $8,413 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 9$6,644 NZD
Retailer 5$7,095 NZD
Retailer 3$7,275 NZD
Retailer 7$7,275 NZD
Retailer 2$7,279 NZD
Retailer 10$7,324 NZD
Retailer 8$7,800 NZD
Retailer 4$8,204 NZD
Retailer 6$12,166 NZD
NZ Jewellers$12,676 NZD

45 data points across 10 retailers

10 retailers$6,644 NZD to $12,676 NZD

B+
Cheapest Retailer
-
$6,644 NZD
B+
Retailer 2
-
$7,095 NZD
View
B+
Retailer 3
-
$7,275 NZD
View
B+
Retailer 4
-
$7,275 NZD
View
B+
Retailer 5
-
$7,279 NZD
View
B+
Retailer 6
-
$7,324 NZD
View
Retailer 7
-
$7,800 NZD
View
Price last confirmed 34 days ago
B+
Retailer 8
-
$8,204 NZD
View
B
Retailer 9
-
$12,166 NZD
View
Most Expensive
B
NZ Jewellers
6796d5b3-795d-4c99-b6e8-bb74f02bc022 · Nov 3
$12,676 NZD
$7,027 USD
View
9 more retailers have this diamond
Prices start from $6,644 NZDSave up to $6,032 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
$6,644 NZD