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Round|Lab Grown|IGI

1.05ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG783635054

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783635054

Diamond specifications and retailer prices

From €136 EUR
As of November 6, 2026
Save €1,128 EUR (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,264 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG783635054 or 783635054. Listed at 17 retailers as of November 5, 2026, with prices from €136 to €1,264, a €1,128 spread on the same certified stone. MOH London lists it at €1,264. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783635054
Dimensions6.60 × 6.66 × 3.96 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.60 mm6.66 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG783635054
Side View
Table 60.0%Crown 33.3°Girdle: THN-MEDPavilion 41°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 6
Current: €1,264 EUR|Low: €124 EUR|High: €1,264 EUR|Avg: €333 EUR|+64.7%
MOH London
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
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Retailer 17
November 6, 2026
Retailer 5€124 EUR
Retailer 12€136 EUR
Retailer 3€143 EUR
Retailer 4€153 EUR
Retailer 15€171 EUR
Retailer 11€255 EUR
Retailer 2€262 EUR
Retailer 17€268 EUR
Retailer 13€284 EUR
Retailer 10€298 EUR
Retailer 8€370 EUR
Retailer 7€373 EUR
Retailer 14€385 EUR
Retailer 16€418 EUR
Retailer 9€445 EUR
Retailer 6€494 EUR
MOH London€1,264 EUR

41 data points across 17 retailers

17 retailers€136 EUR to €1,264 EUR

Retailer 1
-
€124 EUR
Price last confirmed 11 days ago
A
Retailer 2
-
€136 EUR
View
Final sale: no returns
Retailer 3
-
€143 EUR
View
Price last confirmed 10 days ago
Retailer 4
-
€153 EUR
View
Price last confirmed 14 days ago
A
Retailer 5
-
€171 EUR
View
A
Retailer 6
-
€255 EUR
View
A
Retailer 7
-
€262 EUR
View
A
Retailer 8
-
€268 EUR
View
A
Retailer 9
-
€284 EUR
View
A
Retailer 10
-
€298 EUR
View
Retailer 11
-
€370 EUR
View
Price last confirmed 30 days ago
Retailer 12
-
€373 EUR
View
Price last confirmed 11 days ago
B+
Retailer 13
-
€385 EUR
View
B+
Retailer 14
-
€418 EUR
View
B+
Retailer 15
-
€445 EUR
View
Retailer 16
-
€494 EUR
View
Price last confirmed 13 days ago
Most Expensive
C
MOH London
LG783635054 · Nov 5
€1,264 EUR
£1,117 GBP
View
16 more retailers have this diamond
Prices start from €136 EURSave up to €1,128 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
€136 EUR