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Round|Natural|GIA

1.20ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6562059704

Certificate GIA 6562059704

Diamond specifications and retailer prices

From $3,485 NZD
As of November 6, 2026
Save $4,640 NZD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,723 NZD at NZ Jewellers · As of October 3, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562059704. Listed at 19 retailers as of November 4, 2026, with a 133% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.20
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6562059704
Dimensions6.76 × 6.79 × 4.25 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.76 mm6.79 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562059704
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.7%

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: $3,628 NZD|Low: $3,485 NZD|High: $8,244 NZD|Avg: $5,171 NZD|-2.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$3,485 NZD
Retailer 1$3,628 NZD
Retailer 6$4,075 NZD
Retailer 9$4,329 NZD
Retailer 2$4,862 NZD
Retailer 3$4,892 NZD
Retailer 5$5,675 NZD
Retailer 4$5,763 NZD
Retailer 7$8,125 NZD

33 data points across 9 retailers

19 retailers$3,485 NZD to $8,125 NZD

A
Cheapest Retailer
-
$3,485 NZD
A
Retailer 2
-
$3,628 NZD
View
B+
Retailer 3
-
$4,075 NZD
View
B+
Retailer 4
-
$4,329 NZD
View
B+
Retailer 5
-
$4,329 NZD
View
Retailer 6
-
$4,650 NZD
View
Price last confirmed 40 days ago
Retailer 7
-
$4,650 NZD
View
Price last confirmed 26 days ago
B+
Retailer 8
-
$4,652 NZD
View
B+
Retailer 9
-
$4,762 NZD
View
B+
Retailer 10
-
$4,862 NZD
View
Retailer 11
-
$4,865 NZD
View
Price last confirmed 39 days ago
B+
Retailer 12
-
$4,892 NZD
View
B
Retailer 13
-
$4,903 NZD
View
Retailer 14
-
$5,367 NZD
View
Price last confirmed 39 days ago
B
Retailer 15
-
$5,675 NZD
View
B
Retailer 16
-
$5,763 NZD
View
B
Retailer 17
-
$8,125 NZD
View
Retailer 18
-
$9,723 NZD
View
Price last confirmed 40 days ago
Most Expensive
NZ Jewellers
4b0438c8-5be5-4b9c-8c75-406a5265c703 · Oct 3
$9,723 NZD
$5,390 USD
View
Price last confirmed 34 days ago
18 more retailers have this diamond
Prices start from $3,485 NZDSave up to $4,640 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
1.20ct Round
$3,485 NZD