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Round|Lab Grown|IGI

1.20ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG470147787

Shape and cutting style on the report: Round brilliant

Certificate IGI LG470147787

Diamond specifications and retailer prices

From €723 EUR
$808 USD
As of October 29, 2026
Save €629 EUR (47%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,994 EUR at Friendly Diamonds · As of October 30, 2026
View at Friendly Diamonds

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG470147787 or 470147787. Listed at 11 retailers as of October 29, 2026, with a 87% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
E
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG470147787
Dimensions6.78 × 6.72 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.78 mm6.72 mm1.20 ctE / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG470147787
Side View
Table 58.5%Crown 36.2°Girdle: MediumPavilion 41.4°Culet: NoneDepth 63.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €1,994 EUR|Low: €532 EUR|High: €3,185 EUR|Avg: €1,270 EUR
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3€532 EUR
Retailer 5€723 EUR
Retailer 9€787 EUR
Retailer 11€809 EUR
Retailer 6€815 EUR
Retailer 7€839 EUR
Retailer 2€1,283 EUR
Retailer 8€1,352 EUR
Friendly Diamonds€1,994 EUR
Retailer 10€2,358 EUR
Retailer 4€3,148 EUR

41 data points across 11 retailers

11 retailers€723 EUR to €1,352 EUR

B
Cheapest Retailer
-
€723 EUR
$808 USD
B
Retailer 2
-
€787 EUR
$879 USD
View
B
Retailer 3
-
€809 EUR
$904 USD
View
Final sale: no returns
B
Retailer 4
-
€815 EUR
$910 USD
View
Retailer 5
-
€839 EUR
$937 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
€839 EUR
$937 USD
View
B
Retailer 7
-
€1,283 EUR
£1,128 GBP
View
B
Retailer 8
-
€1,352 EUR
$1,511 USD
View
Most Expensive
Friendly Diamonds
1589058 · Oct 30
€1,994 EUR
$2,228 USD
View
Price under review
8 more retailers have this diamond
Prices start from €723 EURSave up to €629 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.

B
1.20ct Round
€723 EUR