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Round|Natural|GIA

1.21ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2567141982

Certificate GIA 2567141982

Diamond specifications and retailer prices

From $4,037 NZD
As of November 5, 2026
Save $758 NZD (16%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $8,937 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2567141982. Listed at 8 retailers as of November 5, 2026, with a relatively tight 19% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2567141982
Dimensions6.75 × 6.79 × 4.25 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural
Top View
6.75 mm6.79 mm1.21 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2567141982
Side View
Table 56.0%Crown 35°GirdlePavilion 40.8°CuletDepth 62.7%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: $8,937 NZD|Low: $3,945 NZD|High: $8,937 NZD|Avg: $5,212 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4$4,037 NZD
Retailer 5$4,124 NZD
Retailer 8$4,203 NZD
Retailer 7$4,273 NZD
Retailer 2$4,472 NZD
Retailer 3$4,795 NZD
Retailer 6$7,528 NZD
NZ Jewellers$8,937 NZD

40 data points across 8 retailers

8 retailers$4,037 NZD to $4,795 NZD

B+
Cheapest Retailer
-
$4,037 NZD
Retailer 2
-
$4,124 NZD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
$4,203 NZD
View
Retailer 4
-
$4,273 NZD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$4,472 NZD
View
B
Retailer 6
-
$4,795 NZD
View
Retailer 7
-
$7,528 NZD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
c96397ff-3b9a-417e-b5ad-311ea7d93ba6 · Oct 30
$8,937 NZD
$4,954 USD
View
Price last confirmed 7 days ago
7 more retailers have this diamond
Prices start from $4,037 NZDSave up to $758 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 Round
$4,037 NZD