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Round|Lab Grown|IGI

1.21ct E VS1 Round Lab Grown Diamond

ID • E/VS1 • IGI LG710542823

Shape and cutting style on the report: Round brilliant

Certificate IGI LG710542823

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)
24 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 LG710542823 or 710542823. Listed at 24 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
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710542823
Dimensions6.85 × 6.92 × 4.16 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 mm6.92 mm1.21 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG710542823
Side View
Table 60.0%Crown 33.8°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.3%

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 29
Current: €327 EUR|Low: €149 EUR|High: €999 EUR|Avg: €431 EUR|-0.0%
Retailer 1
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Retailer 21
Reve Diamonds
October 30, 2026
Retailer 11€158 EUR
Retailer 16€175 EUR
Retailer 20€183 EUR
Retailer 6€195 EUR
Retailer 8€195 EUR
Retailer 1€327 EUR
Retailer 17€335 EUR
Retailer 7€347 EUR
Retailer 12€349 EUR
Retailer 3€350 EUR
Retailer 15€377 EUR
Retailer 5€417 EUR
Retailer 14€435 EUR
Retailer 4€452 EUR
Retailer 18€476 EUR
Retailer 9€513 EUR
Retailer 21€609 EUR
Retailer 19€621 EUR
Retailer 13€627 EUR
Retailer 10€676 EUR
Retailer 2€916 EUR
Reve Diamonds€999 EUR

34 data points across 22 retailers

24 retailers€158 EUR to €999 EUR

A
Cheapest Retailer
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€158 EUR
$176 USD
A
Retailer 2
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€175 EUR
$196 USD
View
Final sale: no returns
A
Retailer 3
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€183 EUR
$204 USD
View
A
Retailer 4
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€195 EUR
$218 USD
View
A
Retailer 5
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€195 EUR
$218 USD
View
A
Retailer 6
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€327 EUR
£287 GBP
View
A
Retailer 7
-
€335 EUR
ZAR 6,043 ZAR
View
A
Retailer 8
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€347 EUR
$388 USD
View
A
Retailer 9
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€349 EUR
£307 GBP
View
A
Retailer 10
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€350 EUR
$391 USD
View
B+
Retailer 11
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€377 EUR
View
B+
Retailer 12
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€417 EUR
$466 USD
View
B+
Retailer 13
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€435 EUR
A$748 AUD
View
Retailer 14
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€452 EUR
$505 USD
View
Price last confirmed 12 days ago
B+
Retailer 15
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€476 EUR
A$818 AUD
View
B+
Retailer 16
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€513 EUR
$573 USD
View
Retailer 17
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€594 EUR
$664 USD
View
Price last confirmed 31 days ago
B
Retailer 18
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€609 EUR
$680 USD
View
B+
Retailer 19
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€621 EUR
A$1,067 AUD
View
B+
Retailer 20
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€627 EUR
$700 USD
View
B
Retailer 21
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€676 EUR
$755 USD
View
B
Retailer 22
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€678 EUR
$758 USD
View
B
Retailer 23
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€916 EUR
£806 GBP
View
Most Expensive
B
Reve Diamonds
D5CEDB4A4 · Oct 30
€999 EUR
$1,116 USD
View
23 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