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Round|Lab Grown|IGI

1.21ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG735540998

Shape and cutting style on the report: Round brilliant

Certificate IGI LG735540998

Diamond specifications and retailer prices

From $171 USD
As of October 29, 2026
Save $931 USD (84%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $1,102 USD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG735540998 or 735540998. Listed at 25 retailers as of October 28, 2026, with prices from $171 to $1,102, a $931 spread on the same certified stone. Reve Diamonds lists it at $1,102. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735540998
Dimensions6.87 × 6.89 × 4.22 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.87 mm6.89 mm1.21 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735540998
Side View
Table 59.0%Crown 34.2°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.3%

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 29
Current: $357 USD|Low: $171 USD|High: $1,130 USD|Avg: $509 USD|-5.3%
Retailer 1
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Retailer 20
Reve Diamonds
October 29, 2026
Retailer 2$171 USD
Retailer 7$192 USD
Retailer 9$212 USD
Retailer 11$212 USD
Retailer 1$357 USD
Retailer 16$365 USD
Retailer 15$376 USD
Retailer 3$379 USD
Retailer 20$389 USD
Retailer 14$421 USD
Retailer 6$461 USD
Retailer 4$505 USD
Retailer 13$506 USD
Retailer 18$517 USD
Retailer 17$679 USD
Retailer 5$683 USD
Retailer 10$714 USD
Retailer 19$721 USD
Retailer 8$737 USD
Retailer 12$998 USD
Reve Diamonds$1,102 USD

36 data points across 21 retailers

25 retailers$171 USD to $1,102 USD

A
Cheapest Retailer
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$171 USD
A
Retailer 2
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$180 USD
View
Price last confirmed 37 days ago
A
Retailer 3
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$192 USD
View
Final sale: no returns
A
Retailer 4
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$209 USD
View
Price last confirmed 37 days ago
A
Retailer 5
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$212 USD
View
A
Retailer 6
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$212 USD
View
A
Retailer 7
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$221 USD
View
Price last confirmed 37 days ago
A
Retailer 8
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$357 USD
£281 GBP
View
A
Retailer 9
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$365 USD
ZAR 5,890 ZAR
View
A
Retailer 10
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$376 USD
£296 GBP
View
A
Retailer 11
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$379 USD
View
A
Retailer 12
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$389 USD
View
B+
Retailer 13
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$421 USD
€401 EUR
View
B+
Retailer 14
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$461 USD
View
B+
Retailer 15
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$505 USD
View
Price last confirmed 11 days ago
B+
Retailer 16
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$506 USD
A$778 AUD
View
B+
Retailer 17
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$517 USD
A$796 AUD
View
B+
Retailer 18
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$679 USD
A$1,045 AUD
View
B+
Retailer 19
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$683 USD
View
B
Retailer 20
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$714 USD
View
B
Retailer 21
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$718 USD
View
Price last confirmed 38 days ago
B
Retailer 22
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$721 USD
View
B
Retailer 23
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$737 USD
View
B
Retailer 24
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$998 USD
£786 GBP
View
Most Expensive
B
Reve Diamonds
EDE8606AD · Oct 28
$1,102 USD
View
24 more retailers have this diamond
Prices start from $171 USDSave up to $931 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 Round
$171 USD