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Round|Natural|GIA

1.20ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 5566270858

Certificate GIA 5566270858

Diamond specifications and retailer prices

From $2,139 NZD
As of November 5, 2026
Save $1,909 NZD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,048 NZD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5566270858. Listed at 8 retailers as of November 5, 2026, with prices from $2,139 to $4,048, a $1,909 spread on the same certified stone. Wholesale Diamonds Direct lists it at $4,048. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5566270858
Dimensions6.74 × 4.23 × 4.23 mm
L/W Ratio1.59
Culet sizeNone
Top View
6.74 mm4.23 mm1.20 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5566270858
Side View
Table 58.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.6%

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 5
Current: $3,011 NZD|Low: $2,130 NZD|High: $5,958 NZD|Avg: $3,504 NZD|-12.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 6, 2026
Retailer 3$2,139 NZD
Retailer 5$2,497 NZD
Retailer 6$2,672 NZD
Retailer 1$3,011 NZD
Retailer 4$3,263 NZD
Retailer 7$3,370 NZD
Retailer 2$3,498 NZD
Wholesale Diamonds Direct$4,048 NZD

39 data points across 8 retailers

8 retailers$2,139 NZD to $4,048 NZD

A
Cheapest Retailer
-
$2,139 NZD
A
Retailer 2
-
$2,497 NZD
View
A
Retailer 3
-
$2,672 NZD
View
A
Retailer 4
-
$3,011 NZD
View
A
Retailer 5
-
$3,263 NZD
View
A
Retailer 6
-
$3,370 NZD
View
A
Retailer 7
-
$3,498 NZD
View
Most Expensive
B+
Wholesale Diamonds Direct
403843574 · Nov 6
$4,048 NZD
$2,244 USD
View
7 more retailers have this diamond
Prices start from $2,139 NZDSave up to $1,909 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
$2,139 NZD