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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 €158 EUR
$176 USD
As of October 29, 2026
Save €841 EUR (84%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €999 EUR at Reve Diamonds · As of October 30, 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 29, 2026, with prices from €158 to €999, a €841 spread on the same certified stone. Reve Diamonds lists it at €999. 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: €435 EUR|Low: €156 EUR|High: €999 EUR|Avg: €462 EUR
Retailer 1
Retailer 2
Retailer 3
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Retailer 5
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Retailer 14
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Reve Diamonds
October 31, 2026
Retailer 10€158 EUR
Retailer 8€175 EUR
Retailer 20€183 EUR
Retailer 4€195 EUR
Retailer 6€195 EUR
Retailer 16€335 EUR
Retailer 5€347 EUR
Retailer 12€349 EUR
Retailer 21€350 EUR
Retailer 15€377 EUR
Retailer 3€417 EUR
Retailer 1€435 EUR
Retailer 2€452 EUR
Retailer 18€476 EUR
Retailer 7€513 EUR
Retailer 13€609 EUR
Retailer 17€614 EUR
Retailer 11€627 EUR
Retailer 14€665 EUR
Retailer 9€676 EUR
Retailer 19€913 EUR
Reve Diamonds€999 EUR

44 data points across 22 retailers

26 retailers€158 EUR to €999 EUR

Retailer 1
-
€156 EUR
$174 USD
Price last confirmed 40 days ago
A
Retailer 2
-
€158 EUR
$176 USD
View
A
Retailer 3
-
€175 EUR
$196 USD
View
Final sale: no returns
A
Retailer 4
-
€183 EUR
$204 USD
View
Retailer 5
-
€191 EUR
$213 USD
View
Price last confirmed 39 days ago
A
Retailer 6
-
€195 EUR
$218 USD
View
A
Retailer 7
-
€195 EUR
$218 USD
View
A
Retailer 8
-
€335 EUR
ZAR 6,043 ZAR
View
A
Retailer 9
-
€347 EUR
$388 USD
View
A
Retailer 10
-
€349 EUR
£307 GBP
View
A
Retailer 11
-
€350 EUR
$391 USD
View
B+
Retailer 12
-
€377 EUR
View
B+
Retailer 13
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€417 EUR
$466 USD
View
B+
Retailer 14
-
€435 EUR
A$748 AUD
View
Retailer 15
-
€452 EUR
$505 USD
View
Price last confirmed 13 days ago
B+
Retailer 16
-
€476 EUR
A$818 AUD
View
B+
Retailer 17
-
€513 EUR
$573 USD
View
Retailer 18
-
€594 EUR
$664 USD
View
Price last confirmed 33 days ago
B
Retailer 19
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€609 EUR
$680 USD
View
B+
Retailer 20
-
€614 EUR
A$1,056 AUD
View
Retailer 21
-
€621 EUR
$694 USD
View
Price last confirmed 40 days ago
B
Retailer 22
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€627 EUR
$700 USD
View
B
Retailer 23
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€676 EUR
$755 USD
View
B
Retailer 24
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€678 EUR
$758 USD
View
B
Retailer 25
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€913 EUR
£803 GBP
View
Most Expensive
B
Reve Diamonds
F060F4B80 · Oct 30
€999 EUR
$1,116 USD
View
25 more retailers have this diamond
Prices start from €158 EURSave up to €841 EUR

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
€158 EUR