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Round|Natural|GIA

1.21ct H I1 Round Natural Diamond

EX • H/I1 • GIA 6512680842

Certificate GIA 6512680842

Diamond specifications and retailer prices

From $2,250 USD
As of November 2, 2026
Save $70 USD (3%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,320 USD at Jared · As of November 2, 2026
View at Jared

About this 1.21ct natural round diamond

This 1.21ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6512680842. Listed at 3 retailers as of November 2, 2026, with a relatively tight 3% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
H
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6512680842
Dimensions6.75 × 6.78 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.75 mm6.78 mm1.21 ctH / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512680842
Side View
Table 57.0%Crown 35°Girdle: Slightly ThickPavilion 41.2°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: $2,320 USD|Low: $2,250 USD|High: $2,830 USD|Avg: $2,588 USD|-18.0%
Jared
Retailer 2
Retailer 3
June 15, 2026
Retailer 2$2,250 USD
Retailer 3$2,250 USD
Jared$2,320 USD

3 data points across 3 retailers

3 retailers$2,250 USD to $2,320 USD

B+
Cheapest Retailer
-
$2,250 USD
B+
Retailer 2
-
$2,250 USD
View
Most Expensive
B+
Jared
153954116 · Nov 2
$2,320 USD
View
2 more retailers have this diamond
Prices start from $2,250 USDSave up to $70 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.

B+
1.21ct Round
$2,250 USD