CaratHunter
Plans
Round|Natural|GIA

1.21ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 6565200380

Certificate GIA 6565200380

Diamond specifications and retailer prices

From $3,417 NZD
As of November 6, 2026
Save $6,085 NZD (64%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $9,501 NZD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565200380. Listed at 21 retailers as of November 5, 2026, with prices from $3,417 to $9,501, a $6,085 spread on the same certified stone. NZ Jewellers lists it at $9,501. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6565200380
Dimensions6.76 × 6.82 × 4.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
6.76 mm6.82 mm1.21 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6565200380
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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 6
Current: $9,501 NZD|Low: $3,417 NZD|High: $9,501 NZD|Avg: $5,226 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 7, 2026
Retailer 15$3,417 NZD
Retailer 8$3,555 NZD
Retailer 11$3,620 NZD
Retailer 14$4,131 NZD
Retailer 3$4,230 NZD
Retailer 9$4,288 NZD
Retailer 4$4,544 NZD
Retailer 6$4,544 NZD
Retailer 5$4,755 NZD
Retailer 2$4,780 NZD
Retailer 7$5,244 NZD
Retailer 10$5,547 NZD
Retailer 12$5,637 NZD
Retailer 13$7,939 NZD
NZ Jewellers$9,501 NZD

24 data points across 15 retailers

21 retailers$3,417 NZD to $9,501 NZD

A
Cheapest Retailer
-
$3,417 NZD
A
Retailer 2
-
$3,555 NZD
View
A
Retailer 3
-
$3,620 NZD
View
B+
Retailer 4
-
$4,131 NZD
View
B+
Retailer 5
-
$4,230 NZD
View
B+
Retailer 6
-
$4,230 NZD
View
B+
Retailer 7
-
$4,264 NZD
View
B+
Retailer 8
-
$4,288 NZD
View
Retailer 9
-
$4,544 NZD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$4,544 NZD
View
B+
Retailer 11
-
$4,672 NZD
View
B+
Retailer 12
-
$4,750 NZD
View
B+
Retailer 13
-
$4,755 NZD
View
B+
Retailer 14
-
$4,780 NZD
View
B+
Retailer 15
-
$4,797 NZD
View
Retailer 16
-
$5,091 NZD
View
Price last confirmed 31 days ago
B
Retailer 17
-
$5,244 NZD
View
B+
Retailer 18
-
$5,547 NZD
View
B+
Retailer 19
-
$5,637 NZD
View
B
Retailer 20
-
$7,939 NZD
View
Most Expensive
B
NZ Jewellers
3949d498-801d-49b3-ac99-dac1d4bfa867 · Nov 5
$9,501 NZD
$5,267 USD
View
20 more retailers have this diamond
Prices start from $3,417 NZDSave up to $6,085 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
1.21ct Round
$3,417 NZD