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Round|Lab Grown|IGI

1.80ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG638427518

Shape and cutting style on the report: Round brilliant

Certificate IGI LG638427518

Diamond specifications and retailer prices

From $386 CAD
$276 USD
As of October 31, 2026
Save $2,590 CAD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,975 CAD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.8ct lab-grown round diamond

This 1.8ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG638427518 or 638427518. Listed at 11 retailers as of October 31, 2026, with prices from $386 to $2,975, a $2,590 spread on the same certified stone. Do Amore Diamonds lists it at $2,975. 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

1.80
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638427518
Dimensions7.86 × 7.80 × 4.78 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.86 mm7.80 mm1.80 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638427518
Side View
Table 59.0%Crown 33.7°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.0%

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 31
Current: $2,975 CAD|Low: $380 CAD|High: $2,975 CAD|Avg: $1,093 CAD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 8$386 CAD
Retailer 3$630 CAD
Retailer 9$658 CAD
Retailer 10$756 CAD
Retailer 4$783 CAD
Retailer 2$805 CAD
Retailer 7$1,242 CAD
Retailer 6$1,243 CAD
Retailer 11$1,366 CAD
Retailer 5$1,712 CAD
Do Amore Diamonds$2,975 CAD

42 data points across 11 retailers

11 retailers$386 CAD to $2,975 CAD

A
Cheapest Retailer
-
$386 CAD
$276 USD
A
Retailer 2
-
$630 CAD
$451 USD
View
B+
Retailer 3
-
$658 CAD
$471 USD
View
A
Retailer 4
-
$756 CAD
$541 USD
View
A
Retailer 5
-
$783 CAD
£441 GBP
View
A
Retailer 6
-
$805 CAD
£454 GBP
View
B
Retailer 7
-
$1,242 CAD
$889 USD
View
B+
Retailer 8
-
$1,243 CAD
$890 USD
View
B
Retailer 9
-
$1,366 CAD
$978 USD
View
B
Retailer 10
-
$1,712 CAD
£965 GBP
View
Most Expensive
B
Do Amore Diamonds
27-B5EA51ED6 · Oct 31
$2,975 CAD
$2,130 USD
View
10 more retailers have this diamond
Prices start from $386 CADSave up to $2,590 CAD

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
1.80ct Round
$386 CAD