Oval|Natural|GIA

1.21ct I VS1 Oval Natural Diamond

EX • I/VS1 • GIA 1557832121

Certificate GIA 1557832121

Diamond specifications and retailer prices

From $3,183 USD
As of October 31, 2026
Save $2,870 USD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,053 USD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1557832121. Listed at 15 retailers as of October 30, 2026, with prices from $3,183 to $6,053, a $2,870 spread on the same certified stone. Helzberg Diamonds lists it at $6,053. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
I
Color
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle37.72°
Pavilion angle39.62°
OriginNatural
Grading LabGIA
CertificateGIA 1557832121
Dimensions8.67 × 5.95 × 3.62 mm
L/W Ratio1.46
Culet sizeNone
Top View
8.67 mm5.95 mm1.21 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1557832121
Side View
Table 59.0%Crown 37.72°Girdle: STK-THKPavilion 39.62°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $6,053 USD|Low: $3,183 USD|High: $6,072 USD|Avg: $4,280 USD|-0.1%
Helzberg Diamonds
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
Retailer 15
Retailer 16
November 3, 2026
Retailer 12$3,183 USD
Retailer 15$3,236 USD
Retailer 2$3,256 USD
Retailer 7$3,293 USD
Retailer 13$3,401 USD
Retailer 9$3,712 USD
Retailer 5$3,833 USD
Retailer 3$4,062 USD
Retailer 4$4,122 USD
Retailer 10$4,240 USD
Retailer 11$4,416 USD
Retailer 8$4,634 USD
Retailer 14$4,861 USD
Retailer 16$5,368 USD
Retailer 6$5,728 USD
Helzberg Diamonds$6,053 USD

23 data points across 16 retailers

15 retailers$3,183 USD to $6,053 USD

A
Cheapest Retailer
-
$3,183 USD
A
Retailer 2
-
$3,236 USD
View
A
Retailer 3
-
$3,256 USD
View
A
Retailer 4
-
$3,293 USD
View
A
Retailer 5
-
$3,401 USD
View
A
Retailer 6
-
$3,712 USD
View
B+
Retailer 7
-
$3,833 USD
View
B+
Retailer 8
-
$4,062 USD
View
B+
Retailer 9
-
$4,122 USD
View
B+
Retailer 10
-
$4,240 USD
View
B+
Retailer 11
-
$4,416 USD
View
B+
Retailer 12
-
$4,861 USD
View
B+
Retailer 13
-
$5,368 USD
View
Retailer 14
-
$5,728 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Helzberg Diamonds
XZRHLLNOJIHIH · Oct 30
$6,053 USD
View
14 more retailers have this diamond
Prices start from $3,183 USDSave up to $2,870 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
$3,183 USD