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Round|Lab Grown|IGI

1.05ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG766618328

Shape and cutting style on the report: Round brilliant

Certificate IGI LG766618328

Diamond specifications and retailer prices

From €124 EUR
As of November 5, 2026
Save €766 EUR (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €890 EUR at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG766618328 or 766618328. Listed at 19 retailers as of November 4, 2026, with prices from €124 to €890, a €766 spread on the same certified stone. Reve Diamonds lists it at €890. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766618328
Dimensions6.61 × 6.59 × 3.97 mm
L/W Ratio1.00
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
6.61 mm6.59 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766618328
Side View
Table 59.0%Crown 33.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.1%

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: Nov 5
Current: €257 EUR|Low: €124 EUR|High: €895 EUR|Avg: €370 EUR|+4.7%
Retailer 1
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Retailer 17
Reve Diamonds
November 6, 2026
Retailer 17€124 EUR
Retailer 4€138 EUR
Retailer 15€143 EUR
Retailer 5€153 EUR
Retailer 16€153 EUR
Retailer 1€257 EUR
Retailer 11€269 EUR
Retailer 6€287 EUR
Retailer 13€364 EUR
Retailer 14€365 EUR
Retailer 12€392 EUR
Retailer 7€427 EUR
Retailer 9€437 EUR
Retailer 3€440 EUR
Retailer 2€494 EUR
Retailer 8€543 EUR
Retailer 10€715 EUR
Reve Diamonds€890 EUR

46 data points across 18 retailers

19 retailers€124 EUR to €890 EUR

A
Cheapest Retailer
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€124 EUR
A
Retailer 2
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€138 EUR
View
Final sale: no returns
A
Retailer 3
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€143 EUR
View
A
Retailer 4
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€153 EUR
View
Retailer 5
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€153 EUR
View
Price last confirmed 12 days ago
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Retailer 6
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€257 EUR
View
A
Retailer 7
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€257 EUR
View
A
Retailer 8
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€269 EUR
View
B+
Retailer 9
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€287 EUR
View
B+
Retailer 10
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€364 EUR
View
Retailer 11
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€365 EUR
View
Price last confirmed 12 days ago
B+
Retailer 12
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€392 EUR
View
B+
Retailer 13
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€427 EUR
View
B+
Retailer 14
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€437 EUR
View
B+
Retailer 15
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€440 EUR
View
B+
Retailer 16
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€494 EUR
View
B
Retailer 17
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€543 EUR
View
B
Retailer 18
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€715 EUR
View
Most Expensive
B
Reve Diamonds
DDBB40C22 · Nov 4
€890 EUR
$999 USD
View
18 more retailers have this diamond
Prices start from €124 EURSave up to €766 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
1.05ct Round
€124 EUR