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Round|Lab Grown|IGI

1.21ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG710543242

Shape and cutting style on the report: Round brilliant

Certificate IGI LG710543242

Diamond specifications and retailer prices

From $176 USD
As of October 29, 2026
Save $940 USD (84%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $1,116 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 LG710543242 or 710543242. Listed at 26 retailers as of October 28, 2026, with prices from $176 to $1,116, a $940 spread on the same certified stone. Reve Diamonds lists it at $1,116. 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 angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710543242
Dimensions6.85 × 6.90 × 4.20 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.85 mm6.90 mm1.21 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG710543242
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.1%

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: $390 USD|Low: $174 USD|High: $1,116 USD|Avg: $516 USD|+7.5%
Retailer 1
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Retailer 21
Reve Diamonds
October 29, 2026
Retailer 9$176 USD
Retailer 7$196 USD
Retailer 19$204 USD
Retailer 3$218 USD
Retailer 5$218 USD
Retailer 15$374 USD
Retailer 4$388 USD
Retailer 1$390 USD
Retailer 20$391 USD
Retailer 12$421 USD
Retailer 2$466 USD
Retailer 13$486 USD
Retailer 21$505 USD
Retailer 17$532 USD
Retailer 6$573 USD
Retailer 11$680 USD
Retailer 16$686 USD
Retailer 10$700 USD
Retailer 14$743 USD
Retailer 8$755 USD
Retailer 18$1,020 USD
Reve Diamonds$1,116 USD

44 data points across 22 retailers

26 retailers$176 USD to $1,116 USD

A
Retailer 1
-
$174 USD
Price last confirmed 38 days ago
A
Retailer 2
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$176 USD
View
A
Retailer 3
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$196 USD
View
Final sale: no returns
A
Retailer 4
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$204 USD
View
A
Retailer 5
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$213 USD
View
Price last confirmed 37 days ago
A
Retailer 6
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$218 USD
View
A
Retailer 7
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$218 USD
View
A
Retailer 8
-
$374 USD
ZAR 6,043 ZAR
View
A
Retailer 9
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$388 USD
View
A
Retailer 10
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$390 USD
£307 GBP
View
A
Retailer 11
-
$391 USD
View
B+
Retailer 12
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$421 USD
€401 EUR
View
B+
Retailer 13
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$466 USD
View
B+
Retailer 14
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$486 USD
A$748 AUD
View
B+
Retailer 15
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$505 USD
View
Price last confirmed 11 days ago
B+
Retailer 16
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$532 USD
A$818 AUD
View
B+
Retailer 17
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$573 USD
View
B+
Retailer 18
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$664 USD
View
Price last confirmed 30 days ago
B
Retailer 19
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$680 USD
View
B+
Retailer 20
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$686 USD
A$1,056 AUD
View
B
Retailer 21
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$694 USD
View
Price last confirmed 38 days ago
B
Retailer 22
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$700 USD
View
B
Retailer 23
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$755 USD
View
B
Retailer 24
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$758 USD
View
B
Retailer 25
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$1,020 USD
£803 GBP
View
Most Expensive
B
Reve Diamonds
F060F4B80 · Oct 28
$1,116 USD
View
25 more retailers have this diamond
Prices start from $176 USDSave up to $940 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
$176 USD