Round|Lab Grown|IGI

1.20ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG494167338

Shape and cutting style on the report: Round brilliant

Certificate IGI LG494167338

Diamond specifications and retailer prices

From €191 EUR
$213 USD
As of October 29, 2026
Save €1,635 EUR (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,826 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown round diamond

This 1.2ct 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 LG494167338 or 494167338. Listed at 17 retailers as of October 29, 2026, with prices from €191 to €1,826, a €1,635 spread on the same certified stone. Do Amore Diamonds lists it at €1,826. 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

1.20
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494167338
Dimensions6.78 × 6.81 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.78 mm6.81 mm1.20 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494167338
Side View
Table 57.5%Crown 36°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.1%

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: Oct 29
Current: €1,826 EUR|Low: €190 EUR|High: €1,826 EUR|Avg: €636 EUR
Do Amore Diamonds
Retailer 2
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Retailer 5
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Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 14€191 EUR
Retailer 12€221 EUR
Retailer 3€236 EUR
Retailer 11€236 EUR
Retailer 2€277 EUR
Retailer 9€320 EUR
Retailer 15€444 EUR
Retailer 7€468 EUR
Retailer 13€520 EUR
Retailer 8€609 EUR
Retailer 5€761 EUR
Retailer 6€816 EUR
Retailer 4€837 EUR
Retailer 16€991 EUR
Retailer 10€1,049 EUR
Do Amore Diamonds€1,826 EUR

14 data points across 16 retailers

17 retailers€191 EUR to €1,826 EUR

A
Cheapest Retailer
-
€191 EUR
$213 USD
A
Retailer 2
-
€221 EUR
$247 USD
View
A
Retailer 3
-
€236 EUR
$264 USD
View
A
Retailer 4
-
€236 EUR
$264 USD
View
B+
Retailer 5
-
€277 EUR
$310 USD
View
A
Retailer 6
-
€320 EUR
£281 GBP
View
A
Retailer 7
-
€444 EUR
$496 USD
View
A
Retailer 8
-
€456 EUR
$510 USD
View
A
Retailer 9
-
€468 EUR
$523 USD
View
A
Retailer 10
-
€520 EUR
$581 USD
View
A
Retailer 11
-
€609 EUR
$680 USD
View
A
Retailer 12
-
€761 EUR
$850 USD
View
A
Retailer 13
-
€816 EUR
$912 USD
View
A
Retailer 14
-
€837 EUR
$935 USD
View
B+
Retailer 15
-
€991 EUR
$1,107 USD
View
A
Retailer 16
-
€1,049 EUR
£923 GBP
View
Most Expensive
B
Do Amore Diamonds
27-AE0814E47 · Oct 31
€1,826 EUR
$2,040 USD
View
16 more retailers have this diamond
Prices start from €191 EURSave up to €1,635 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
1.20ct Round
€191 EUR