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Round|Lab Grown|IGI

1.05ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG780647301

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780647301

Diamond specifications and retailer prices

From €143 EUR
As of November 1, 2026
Save €806 EUR (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €949 EUR at Reve Diamonds · As of November 1, 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 LG780647301 or 780647301. Listed at 19 retailers as of November 1, 2026, with prices from €143 to €949, a €806 spread on the same certified stone. Reve Diamonds lists it at €949. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780647301
Dimensions6.61 × 6.63 × 3.96 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
6.61 mm6.63 mm1.05 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780647301
Side View
Table 59.0%Crown 32.2°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 59.8%

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 1
Current: €301 EUR|Low: €136 EUR|High: €949 EUR|Avg: €387 EUR|+9.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Reve Diamonds
November 3, 2026
Retailer 11€143 EUR
Retailer 7€159 EUR
Retailer 15€165 EUR
Retailer 2€176 EUR
Retailer 12€176 EUR
Retailer 5€263 EUR
Retailer 1€301 EUR
Retailer 9€309 EUR
Retailer 6€320 EUR
Retailer 8€343 EUR
Retailer 13€365 EUR
Retailer 14€567 EUR
Retailer 4€599 EUR
Retailer 3€606 EUR
Retailer 10€824 EUR
Reve Diamonds€949 EUR

36 data points across 16 retailers

19 retailers€143 EUR to €949 EUR

A
Cheapest Retailer
-
€143 EUR
A
Retailer 2
-
€159 EUR
View
Final sale: no returns
A
Retailer 3
-
€165 EUR
View
Retailer 4
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€176 EUR
View
Price last confirmed 12 days ago
A
Retailer 5
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€176 EUR
View
A
Retailer 6
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€182 EUR
View
A
Retailer 7
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€263 EUR
View
B+
Retailer 8
-
€301 EUR
View
B+
Retailer 9
-
€309 EUR
View
B+
Retailer 10
-
€320 EUR
View
B+
Retailer 11
-
€343 EUR
View
Retailer 12
-
€365 EUR
View
Price last confirmed 12 days ago
B+
Retailer 13
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€394 EUR
View
B
Retailer 14
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€567 EUR
View
B
Retailer 15
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€599 EUR
View
B
Retailer 16
-
€606 EUR
View
B
Retailer 17
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€616 EUR
View
B
Retailer 18
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€824 EUR
View
Most Expensive
B
Reve Diamonds
911778019 · Nov 1
€949 EUR
$1,065 USD
View
18 more retailers have this diamond
Prices start from €143 EURSave up to €806 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
€143 EUR