Round|Natural|GIA

1.20ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 5563279764

Certificate GIA 5563279764

Diamond specifications and retailer prices

From $2,406 USD
As of November 4, 2026
Save $3,167 USD (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,090 USD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5563279764. Listed at 20 retailers as of November 4, 2026, with a 132% 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
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5563279764
Dimensions6.76 × 6.80 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Crystal, Feather, Cavity, Indented Natural, Needle
Top View
6.76 mm6.80 mm1.20 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5563279764
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.8%

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 4
Current: $6,090 USD|Low: $2,406 USD|High: $6,115 USD|Avg: $3,751 USD|+2.8%
Queensmith
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
November 6, 2026
Retailer 13$2,406 USD
Retailer 10$2,514 USD
Retailer 8$2,805 USD
Retailer 11$3,022 USD
Retailer 4$3,199 USD
Retailer 14$3,199 USD
Retailer 7$3,289 USD
Retailer 3$3,322 USD
Retailer 2$3,352 USD
Retailer 5$3,691 USD
Retailer 9$3,715 USD
Retailer 12$5,335 USD
Retailer 6$5,573 USD
Queensmith$6,090 USD

26 data points across 14 retailers

20 retailers$2,406 USD to $5,573 USD

A
Cheapest Retailer
-
$2,406 USD
A
Retailer 2
-
$2,514 USD
View
A
Retailer 3
-
$2,805 USD
View
A
Retailer 4
-
$2,905 USD
View
A
Retailer 5
-
$2,926 USD
View
A
Retailer 6
-
$2,952 USD
View
Final sale: no returns
A
Retailer 7
-
$2,958 USD
View
A
Retailer 8
-
$3,022 USD
View
A
Retailer 9
-
$3,199 USD
View
Retailer 10
-
$3,199 USD
View
Price last confirmed 8 days ago
A
Retailer 11
-
$3,230 USD
View
A
Retailer 12
-
$3,289 USD
View
A
Retailer 13
-
$3,322 USD
View
A
Retailer 14
-
$3,342 USD
View
A
Retailer 15
-
$3,352 USD
View
B+
Retailer 16
-
$3,691 USD
View
B+
Retailer 17
-
$3,715 USD
View
B+
Retailer 18
-
$5,335 USD
View
B
Retailer 19
-
$5,573 USD
View
Most Expensive
Queensmith
5563279764 · Oct 28
$6,090 USD
£4,795 GBP
View
Price last confirmed 8 days ago
19 more retailers have this diamond
Prices start from $2,406 USDSave up to $3,167 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
$2,406 USD