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Round|Lab Grown|IGI

1.42ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG605385648

Shape and cutting style on the report: Round brilliant

Certificate IGI LG605385648

Diamond specifications and retailer prices

From €157 EUR
$175 USD
As of October 29, 2026
Save €1,346 EUR (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,503 EUR at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.42ct lab-grown round diamond

This 1.42ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG605385648 or 605385648. Listed at 10 retailers as of October 29, 2026, with prices from €157 to €1,503, a €1,346 spread on the same certified stone. Do Amore Diamonds lists it at €1,503. 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

1.42
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605385648
Dimensions7.18 × 7.24 × 4.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.18 mm7.24 mm1.42 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605385648
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.1%

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 29
Current: €1,503 EUR|Low: €127 EUR|High: €1,503 EUR|Avg: €598 EUR|+3.7%
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
October 29, 2026
Retailer 7€157 EUR
Retailer 9€175 EUR
Retailer 8€345 EUR
Retailer 5€378 EUR
Retailer 3€394 EUR
Retailer 11€399 EUR
Retailer 4€485 EUR
Retailer 12€520 EUR
Retailer 6€659 EUR
Retailer 10€975 EUR
Retailer 2€1,007 EUR
Do Amore Diamonds€1,503 EUR

36 data points across 12 retailers

10 retailers€157 EUR to €1,503 EUR

A
Cheapest Retailer
-
€157 EUR
$175 USD
Retailer 2
-
€182 EUR
$203 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
€345 EUR
$386 USD
View
A
Retailer 4
-
€378 EUR
£332 GBP
View
Retailer 5
-
€659 EUR
$737 USD
View
Price last confirmed 8 days ago
Retailer 6
-
€689 EUR
$770 USD
View
Price last confirmed 7 days ago
B
Retailer 7
-
€975 EUR
$1,090 USD
View
B
Retailer 8
-
€1,007 EUR
£886 GBP
View
B
Retailer 9
-
€1,422 EUR
$1,590 USD
View
Most Expensive
B
Do Amore Diamonds
27-100D914D4 · Oct 29
€1,503 EUR
$1,680 USD
View
9 more retailers have this diamond
Prices start from €157 EURSave up to €1,346 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
1.42ct Round
€157 EUR