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1.05ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG846694853

Shape and cutting style on the report: Round brilliant

Certificate IGI LG846694853

Diamond specifications and retailer prices

From €252 EUR
£221 GBP
As of November 2, 2026
Save €999 EUR (80%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,250 EUR at MOH London · As of October 29, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG846694853 or 846694853. Listed at 7 retailers as of October 29, 2026, with prices from €252 to €1,250, a €999 spread on the same certified stone. MOH London lists it at €1,250. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846694853
Dimensions6.43 × 6.48 × 4.05 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.43 mm6.48 mm1.05 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846694853
Side View
Table 57.0%Crown 35.9°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.8%

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: Nov 2
Current: €1,250 EUR|Low: €239 EUR|High: €1,250 EUR|Avg: €445 EUR|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3€252 EUR
Retailer 5€264 EUR
Retailer 7€280 EUR
Retailer 6€284 EUR
Retailer 2€332 EUR
Retailer 4€371 EUR
MOH London€1,250 EUR

9 data points across 7 retailers

7 retailers€252 EUR to €1,250 EUR

A
Cheapest Retailer
-
€252 EUR
£221 GBP
A
Retailer 2
-
€264 EUR
View
B+
Retailer 3
-
€280 EUR
$313 USD
View
A
Retailer 4
-
€284 EUR
$317 USD
View
B+
Retailer 5
-
€332 EUR
£292 GBP
View
B+
Retailer 6
-
€371 EUR
$414 USD
View
Most Expensive
B
MOH London
LG846694853 · Oct 29
€1,250 EUR
£1,100 GBP
View
6 more retailers have this diamond
Prices start from €252 EURSave up to €999 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
€252 EUR