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Round|Lab Grown|IGI

1.00ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG807658118

Shape and cutting style on the report: Round brilliant

Certificate IGI LG807658118

Diamond specifications and retailer prices

From €123 EUR
$137 USD
As of October 29, 2026
Save €1,152 EUR (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,274 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct 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 LG807658118 or 807658118. Listed at 11 retailers as of October 29, 2026, with prices from €123 to €1,274, a €1,152 spread on the same certified stone. MOH London lists it at €1,274. 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

1.00
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807658118
Dimensions6.54 × 6.48 × 3.82 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.54 mm6.48 mm1.00 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG807658118
Side View
Table 62.0%Crown 33.4°Girdle: MediumPavilion 40.3°Culet: NoneDepth 58.7%

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: Oct 29
Current: €1,274 EUR|Low: €121 EUR|High: €1,274 EUR|Avg: €336 EUR|+1.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 10€123 EUR
Retailer 8€142 EUR
Retailer 2€150 EUR
Retailer 4€257 EUR
Retailer 3€263 EUR
Retailer 9€284 EUR
Retailer 11€287 EUR
Retailer 7€371 EUR
Retailer 6€488 EUR
Retailer 5€516 EUR
MOH London€1,274 EUR

43 data points across 11 retailers

11 retailers€123 EUR to €1,274 EUR

A
Cheapest Retailer
-
€123 EUR
$137 USD
A
Retailer 2
-
€142 EUR
$159 USD
View
A
Retailer 3
-
€150 EUR
$168 USD
View
A
Retailer 4
-
€257 EUR
£226 GBP
View
A
Retailer 5
-
€263 EUR
$294 USD
View
A
Retailer 6
-
€284 EUR
$317 USD
View
B+
Retailer 7
-
€287 EUR
View
B+
Retailer 8
-
€371 EUR
$415 USD
View
B
Retailer 9
-
€488 EUR
$545 USD
View
B
Retailer 10
-
€516 EUR
$576 USD
View
Most Expensive
C
MOH London
LG807658118 · Oct 29
€1,274 EUR
£1,121 GBP
View
10 more retailers have this diamond
Prices start from €123 EURSave up to €1,152 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
1.00ct Round
€123 EUR