CaratHunter
Plans
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 €555 EUR
$620 USD
As of October 30, 2026
Save €3,403 EUR (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,958 EUR at MOH London · As of October 29, 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 29, 2026, with prices from €555 to €3,958, a €3,403 spread on the same certified stone. MOH London lists it at €3,958. 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
Color
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
undefined
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 30
Current: €3,958 EUR|Low: €555 EUR|High: €3,990 EUR|Avg: €1,693 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2€555 EUR
Retailer 6€1,056 EUR
Retailer 10€1,183 EUR
Retailer 7€1,225 EUR
Retailer 9€1,225 EUR
Retailer 4€1,329 EUR
Retailer 11€1,378 EUR
Retailer 12€1,722 EUR
Retailer 8€1,945 EUR
Retailer 5€2,100 EUR
Retailer 3€2,414 EUR
MOH London€3,958 EUR

17 data points across 12 retailers

12 retailers€555 EUR to €3,958 EUR

A
Cheapest Retailer
-
€555 EUR
$620 USD
B+
Retailer 2
-
€1,056 EUR
$1,180 USD
View
B+
Retailer 3
-
€1,149 EUR
$1,284 USD
View
B+
Retailer 4
-
€1,183 EUR
$1,322 USD
View
Final sale: no returns
Retailer 5
-
€1,225 EUR
$1,369 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
€1,225 EUR
$1,369 USD
View
B
Retailer 7
-
€1,378 EUR
$1,540 USD
View
B
Retailer 8
-
€1,945 EUR
$2,173 USD
View
B
Retailer 9
-
€2,100 EUR
View
B
Retailer 10
-
€2,297 EUR
$2,566 USD
View
B
Retailer 11
-
€2,414 EUR
$2,697 USD
View
Most Expensive
B
MOH London
LG447099778 · Oct 29
€3,958 EUR
£3,482 GBP
View
11 more retailers have this diamond
Prices start from €555 EURSave up to €3,403 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
€555 EUR