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Round|Natural|GIA

1.20ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 1533797921

Certificate GIA 1533797921

Diamond specifications and retailer prices

From $2,496 USD
As of November 4, 2026
Save $2,982 USD (54%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,261 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 1533797921. Listed at 21 retailers as of November 4, 2026, with a 119% 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 angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1533797921
Dimensions6.79 × 6.74 × 4.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Cloud, Needle
Top View
6.79 mm6.74 mm1.20 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1533797921
Side View
Table 58.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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: $6,261 USD|Low: $2,496 USD|High: $6,261 USD|Avg: $3,744 USD|+2.7%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3$2,496 USD
Retailer 7$2,605 USD
Retailer 6$2,881 USD
Retailer 8$3,022 USD
Retailer 12$3,031 USD
Retailer 4$3,096 USD
Retailer 10$3,380 USD
Retailer 2$3,428 USD
Retailer 5$3,478 USD
Retailer 9$3,820 USD
Retailer 11$5,478 USD
Queensmith$6,261 USD

27 data points across 12 retailers

21 retailers$2,496 USD to $5,478 USD

A
Cheapest Retailer
-
$2,496 USD
A
Retailer 2
-
$2,605 USD
View
A
Retailer 3
-
$2,881 USD
View
A
Retailer 4
-
$3,022 USD
View
A
Retailer 5
-
$3,031 USD
View
Final sale: no returns
A
Retailer 6
-
$3,096 USD
View
A
Retailer 7
-
$3,182 USD
View
A
Retailer 8
-
$3,380 USD
View
Retailer 9
-
$3,403 USD
View
Price last confirmed 60 days ago
Retailer 10
-
$3,403 USD
View
Price last confirmed 28 days ago
Retailer 11
-
$3,403 USD
View
Price last confirmed 25 days ago
A
Retailer 12
-
$3,428 USD
View
A
Retailer 13
-
$3,478 USD
View
Retailer 14
-
$3,534 USD
View
Price last confirmed 38 days ago
B+
Retailer 15
-
$3,820 USD
View
Retailer 16
-
$3,927 USD
View
Price last confirmed 60 days ago
Retailer 17
-
$3,927 USD
View
Price last confirmed 28 days ago
B+
Retailer 18
-
$5,478 USD
View
Retailer 19
-
$5,929 USD
View
Price last confirmed 66 days ago
Retailer 20
-
$5,929 USD
View
Price last confirmed 39 days ago
Most Expensive
Queensmith
1533797921 · Oct 28
$6,261 USD
£4,930 GBP
View
Price last confirmed 8 days ago
20 more retailers have this diamond
Prices start from $2,496 USDSave up to $2,982 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
$2,496 USD