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Radiant|Lab Grown|IGI

1.21ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG634491604

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG634491604

Diamond specifications and retailer prices

From $194 USD
As of October 27, 2026
Save $1,136 USD (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,330 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG634491604 or 634491604. Listed at 24 retailers as of October 27, 2026, with prices from $194 to $1,330, a $1,136 spread on the same certified stone. Brilliant Earth lists it at $1,330. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634491604
Dimensions5.33 × 5.33 × 7.41 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.33 mm5.33 mm1.21 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634491604
Side View
Table 63.0%Crown 41.6°Girdle: MED-STKPavilion 34.9°Culet: NoneDepth 67.0%

Caratlytics Score

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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 27
Current: $1,330 USD|Low: $186 USD|High: $1,400 USD|Avg: $581 USD|-5.0%
Brilliant Earth
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
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 6$194 USD
Retailer 4$217 USD
Retailer 9$225 USD
Retailer 7$241 USD
Retailer 10$241 USD
Retailer 19$296 USD
Retailer 14$325 USD
Retailer 18$394 USD
Retailer 15$414 USD
Retailer 2$438 USD
Retailer 11$561 USD
Retailer 16$588 USD
Retailer 3$618 USD
Retailer 8$774 USD
Retailer 13$837 USD
Retailer 17$880 USD
Retailer 12$1,133 USD
Retailer 5$1,175 USD
Brilliant Earth$1,330 USD

41 data points across 19 retailers

24 retailers$194 USD to $1,330 USD

A
Cheapest Retailer
-
$194 USD
A
Retailer 2
-
$217 USD
View
Final sale: no returns
A
Retailer 3
-
$225 USD
View
A
Retailer 4
-
$241 USD
View
A
Retailer 5
-
$241 USD
View
A
Retailer 6
-
$296 USD
£233 GBP
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$325 USD
View
A
Retailer 8
-
$394 USD
€375 EUR
View
A
Retailer 9
-
$414 USD
ZAR 6,682 ZAR
View
A
Retailer 10
-
$438 USD
£345 GBP
View
A
Retailer 11
-
$484 USD
View
B+
Retailer 12
-
$553 USD
View
B+
Retailer 13
-
$561 USD
View
A
Retailer 14
-
$588 USD
A$904 AUD
View
B+
Retailer 15
-
$618 USD
View
B+
Retailer 16
-
$774 USD
View
B+
Retailer 17
-
$777 USD
£612 GBP
View
B+
Retailer 18
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$813 USD
View
B+
Retailer 19
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$828 USD
View
B+
Retailer 20
-
$837 USD
A$1,287 AUD
View
B+
Retailer 21
-
$880 USD
View
Price last confirmed 8 days ago
B
Retailer 22
-
$1,133 USD
£892 GBP
View
B
Retailer 23
-
$1,175 USD
View
Most Expensive
B
Brilliant Earth
17796329A · Oct 28
$1,330 USD
View
23 more retailers have this diamond
Prices start from $194 USDSave up to $1,136 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 Radiant
$194 USD