Oval|Natural|GIA

1.21ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 2567610578

Certificate GIA 2567610578

Diamond specifications and retailer prices

From $3,475 USD
As of November 5, 2026
Save $670 USD (16%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,145 USD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2567610578. Listed at 4 retailers as of November 5, 2026, with prices from $3,475 to $4,145, a $670 spread on the same certified stone. Blue Nile lists it at $4,145. 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

1.21
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2567610578
Dimensions8.32 × 5.95 × 3.77 mm
L/W Ratio1.40
Top View
8.32 mm5.95 mm1.21 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2567610578
Side View
Table 63.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $4,145 USD|Low: $3,475 USD|High: $4,145 USD|Avg: $3,751 USD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3$3,475 USD
Retailer 4$3,675 USD
Retailer 2$3,705 USD
Blue Nile$4,145 USD

6 data points across 4 retailers

4 retailers$3,475 USD to $4,145 USD

A
Cheapest Retailer
-
$3,475 USD
B+
Retailer 2
-
$3,675 USD
View
B+
Retailer 3
-
$3,705 USD
View
Most Expensive
B+
Blue Nile
30546114 · Nov 5
$4,145 USD
View
3 more retailers have this diamond
Prices start from $3,475 USDSave up to $670 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
1.21ct Oval
$3,475 USD