Round|Natural|GIA

1.20ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2557556499

Certificate GIA 2557556499

Diamond specifications and retailer prices

From $1,633 USD
As of November 5, 2026
Save $388 USD (19%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,712 USD at Wholesale Diamonds Direct · As of October 26, 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 2557556499. Listed at 12 retailers as of November 5, 2026, with a relatively tight 24% 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

1.20
Carat
K
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2557556499
Dimensions6.77 × 6.81 × 4.19 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.77 mm6.81 mm1.20 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557556499
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NDepth 61.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $1,633 USD|Low: $1,625 USD|High: $2,846 USD|Avg: $2,044 USD|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
November 5, 2026
Retailer 1$1,633 USD
Retailer 7$1,659 USD
Retailer 9$1,659 USD
Retailer 3$1,778 USD
Retailer 2$1,807 USD
Retailer 5$1,834 USD
Retailer 10$1,992 USD
Retailer 4$2,080 USD
Retailer 8$2,146 USD
Retailer 11$2,179 USD
Retailer 6$2,327 USD
Wholesale Diamonds Direct$2,712 USD

34 data points across 12 retailers

12 retailers$1,633 USD to $2,021 USD

A
Cheapest Retailer
-
$1,633 USD
Retailer 2
-
$1,659 USD
View
Price last confirmed 9 days ago
Retailer 3
-
$1,659 USD
View
Price last confirmed 9 days ago
Retailer 4
-
$1,778 USD
View
Price last confirmed 9 days ago
Retailer 5
-
$1,807 USD
View
Price last confirmed 9 days ago
Retailer 6
-
$1,834 USD
View
Price last confirmed 9 days ago
Retailer 7
-
$1,992 USD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
$2,021 USD
View
Retailer 9
-
$2,080 USD
View
Price last confirmed 9 days ago
Retailer 10
-
$2,146 USD
View
Price last confirmed 9 days ago
Retailer 11
-
$2,327 USD
View
Price last confirmed 9 days ago
Most Expensive
Wholesale Diamonds Direct
611240265 · Oct 26
$2,712 USD
View
Price last confirmed 10 days ago
11 more retailers have this diamond
Prices start from $1,633 USDSave up to $388 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
$1,633 USD