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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 $1,186 USD
As of November 5, 2026
Save $1,058 USD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,244 USD at Wholesale Diamonds Direct · As of November 4, 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 4, 2026, with prices from $1,186 to $2,244, a $1,058 spread on the same certified stone. Wholesale Diamonds Direct lists it at $2,244. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,939 USD|Low: $1,181 USD|High: $3,303 USD|Avg: $1,959 USD|-26.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
November 5, 2026
Retailer 2$1,186 USD
Retailer 5$1,384 USD
Retailer 6$1,481 USD
Retailer 4$1,771 USD
Retailer 3$1,809 USD
Retailer 7$1,868 USD
Retailer 1$1,939 USD
Wholesale Diamonds Direct$2,244 USD

38 data points across 8 retailers

8 retailers$1,186 USD to $2,244 USD

A
Cheapest Retailer
-
$1,186 USD
A
Retailer 2
-
$1,384 USD
View
A
Retailer 3
-
$1,481 USD
View
A
Retailer 4
-
$1,771 USD
View
A
Retailer 5
-
$1,809 USD
View
A
Retailer 6
-
$1,868 USD
View
A
Retailer 7
-
$1,939 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
403843574 · Nov 4
$2,244 USD
View
7 more retailers have this diamond
Prices start from $1,186 USDSave up to $1,058 USD

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
$1,186 USD