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Round|Lab Grown|IGI

1.06ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG447099778

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447099778

Diamond specifications and retailer prices

From €553 EUR
$620 USD
As of October 31, 2026
Save €3,368 EUR (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,921 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.06ct lab-grown round diamond

This 1.06ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447099778 or 447099778. Listed at 12 retailers as of October 31, 2026, with prices from €553 to €3,921, a €3,368 spread on the same certified stone. MOH London lists it at €3,921. 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

1.06
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447099778
Dimensions6.51 × 6.48 × 4.07 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.51 mm6.48 mm1.06 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447099778
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €3,921 EUR|Low: €553 EUR|High: €3,974 EUR|Avg: €1,685 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 2€553 EUR
Retailer 6€1,052 EUR
Retailer 10€1,179 EUR
Retailer 7€1,221 EUR
Retailer 9€1,221 EUR
Retailer 4€1,323 EUR
Retailer 11€1,373 EUR
Retailer 12€1,715 EUR
Retailer 8€1,937 EUR
Retailer 5€2,091 EUR
Retailer 3€2,405 EUR
MOH London€3,921 EUR

18 data points across 12 retailers

12 retailers€553 EUR to €3,921 EUR

A
Cheapest Retailer
-
€553 EUR
$620 USD
B+
Retailer 2
-
€1,052 EUR
$1,180 USD
View
B+
Retailer 3
-
€1,145 EUR
$1,284 USD
View
B+
Retailer 4
-
€1,179 EUR
$1,322 USD
View
Final sale: no returns
Retailer 5
-
€1,221 EUR
$1,369 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
€1,221 EUR
$1,369 USD
View
B
Retailer 7
-
€1,373 EUR
$1,540 USD
View
B
Retailer 8
-
€1,937 EUR
$2,173 USD
View
B
Retailer 9
-
€2,091 EUR
View
B
Retailer 10
-
€2,288 EUR
$2,566 USD
View
B
Retailer 11
-
€2,405 EUR
$2,697 USD
View
Most Expensive
B
MOH London
LG447099778 · Nov 1
€3,921 EUR
£3,463 GBP
View
11 more retailers have this diamond
Prices start from €553 EURSave up to €3,368 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
1.06ct Round
€553 EUR