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Round|Lab Grown|IGI

1.05ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG783638340

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783638340

Diamond specifications and retailer prices

From €129 EUR
As of November 5, 2026
Save €620 EUR (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €749 EUR at MOH London · As of November 4, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG783638340 or 783638340. Listed at 16 retailers as of November 4, 2026, with prices from €129 to €749, a €620 spread on the same certified stone. MOH London lists it at €749. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783638340
Dimensions6.51 × 6.47 × 4.03 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
6.51 mm6.47 mm1.05 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783638340
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.1%

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: €749 EUR|Low: €125 EUR|High: €759 EUR|Avg: €349 EUR|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6€129 EUR
Retailer 7€160 EUR
Retailer 3€274 EUR
Retailer 2€283 EUR
Retailer 8€297 EUR
Retailer 10€339 EUR
Retailer 9€380 EUR
Retailer 4€410 EUR
Retailer 5€545 EUR
MOH London€749 EUR

43 data points across 10 retailers

16 retailers€129 EUR to €749 EUR

A
Cheapest Retailer
-
€129 EUR
A
Retailer 2
-
€151 EUR
View
Retailer 3
-
€160 EUR
View
Price last confirmed 12 days ago
A
Retailer 4
-
€160 EUR
View
A
Retailer 5
-
€258 EUR
View
A
Retailer 6
-
€274 EUR
View
A
Retailer 7
-
€283 EUR
View
A
Retailer 8
-
€297 EUR
View
Retailer 9
-
€339 EUR
View
Price last confirmed 65 days ago
B+
Retailer 10
-
€380 EUR
View
B+
Retailer 11
-
€410 EUR
View
B+
Retailer 12
-
€416 EUR
View
B
Retailer 13
-
€516 EUR
View
B
Retailer 14
-
€545 EUR
View
B
Retailer 15
-
€565 EUR
View
Most Expensive
B
MOH London
LG783638340 · Nov 4
€749 EUR
£662 GBP
View
15 more retailers have this diamond
Prices start from €129 EURSave up to €620 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
€129 EUR