Oval|Lab Grown|IGI

3.56ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG605385743

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG605385743

Diamond specifications and retailer prices

From $493 USD
As of October 29, 2026
Save $3,887 USD (89%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,380 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.56ct lab-grown oval diamond

This 3.56ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG605385743 or 605385743. Listed at 8 retailers as of October 29, 2026, with prices from $493 to $4,380, a $3,887 spread on the same certified stone. Do Amore Diamonds lists it at $4,380. 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

3.56
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605385743
Dimensions12.33 × 8.60 × 5.30 mm
L/W Ratio1.43
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
12.33 mm8.60 mm3.56 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605385743
Side View
Table 61.0%Crown 35.3°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 61.6%

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 29
Current: $4,380 USD|Low: $483 USD|High: $4,380 USD|Avg: $2,004 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 28, 2026
Retailer 6$493 USD
Retailer 4$552 USD
Retailer 8$951 USD
Retailer 2$955 USD
Retailer 5$1,642 USD
Retailer 7$1,774 USD
Retailer 3$2,819 USD
Retailer 9$2,910 USD
Do Amore Diamonds$4,380 USD

19 data points across 9 retailers

8 retailers$493 USD to $4,380 USD

A
Cheapest Retailer
-
$493 USD
A
Retailer 2
-
$552 USD
View
B+
Retailer 3
-
$951 USD
View
A
Retailer 4
-
$955 USD
View
B+
Retailer 5
-
$1,642 USD
View
B+
Retailer 6
-
$1,774 USD
View
B
Retailer 7
-
$2,819 USD
£2,220 GBP
View
Most Expensive
B
Do Amore Diamonds
27-4223D2966 · Oct 31
$4,380 USD
View
7 more retailers have this diamond
Prices start from $493 USDSave up to $3,887 USD

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
3.56ct Oval
$493 USD