Round|Lab Grown|IGI

1.62ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG425078889

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425078889

Diamond specifications and retailer prices

From €387 EUR
$432 USD
As of October 30, 2026
Save €1,304 EUR (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,811 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.62ct lab-grown round diamond

This 1.62ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425078889 or 425078889. Listed at 13 retailers as of October 30, 2026, with a 337% 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

1.62
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425078889
Dimensions7.49 × 7.54 × 4.67 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Chemical Vapor Deposition (CVD) laboratory grown diamond is classified as Type IIa
Top View
7.49 mm7.54 mm1.62 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425078889
Side View
Table 59.0%Crown 35.5°Girdle: MediumPavilion 41.6°Culet: NoneDepth 62.2%

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 30
Current: €2,811 EUR|Low: €387 EUR|High: €2,811 EUR|Avg: €1,058 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 10€387 EUR
Retailer 9€394 EUR
Retailer 12€528 EUR
Retailer 3€695 EUR
Retailer 5€769 EUR
Retailer 6€771 EUR
Retailer 7€782 EUR
Retailer 8€823 EUR
Retailer 11€1,150 EUR
Retailer 13€1,218 EUR
Retailer 4€1,529 EUR
Retailer 2€1,690 EUR
Do Amore Diamonds€2,811 EUR

16 data points across 13 retailers

13 retailers€387 EUR to €1,690 EUR

A
Cheapest Retailer
-
€387 EUR
$432 USD
B+
Retailer 2
-
€394 EUR
$440 USD
View
B+
Retailer 3
-
€528 EUR
$590 USD
View
B+
Retailer 4
-
€695 EUR
$777 USD
View
B
Retailer 5
-
€769 EUR
$859 USD
View
B+
Retailer 6
-
€771 EUR
£678 GBP
View
B+
Retailer 7
-
€782 EUR
£688 GBP
View
B+
Retailer 8
-
€823 EUR
$920 USD
View
B
Retailer 9
-
€1,150 EUR
$1,285 USD
View
B
Retailer 10
-
€1,218 EUR
$1,361 USD
View
B
Retailer 11
-
€1,529 EUR
$1,708 USD
View
B
Retailer 12
-
€1,690 EUR
£1,487 GBP
View
Most Expensive
Do Amore Diamonds
27-2A1C5E56F · Oct 31
€2,811 EUR
$3,140 USD
View
Price under review
12 more retailers have this diamond
Prices start from €387 EURSave up to €1,304 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
1.62ct Round
€387 EUR