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Radiant|Lab Grown|IGI

1.77ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG547276808

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG547276808

Diamond specifications and retailer prices

From $263 CAD
$188 USD
As of October 27, 2026
Save $2,252 CAD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,514 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.77ct lab-grown radiant diamond

This 1.77ct lab-grown radiant 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 LG547276808 or 547276808. Listed at 10 retailers as of October 27, 2026, with prices from $263 to $2,514, a $2,252 spread on the same certified stone. Do Amore Diamonds lists it at $2,514. 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

1.77
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG547276808
Dimensions8.47 × 5.93 × 4.01 mm
L/W Ratio1.43
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
8.47 mm5.93 mm1.77 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG547276808
Side View
Table 63.5%Crown 42.9°Girdle: MediumPavilionCulet: NoneDepth 67.6%

Caratlytics Score

How it works →
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 27
Current: $2,514 CAD|Low: $261 CAD|High: $2,640 CAD|Avg: $1,093 CAD|-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
Retailer 13
Retailer 14
Retailer 15
October 29, 2026
Retailer 12$263 CAD
Retailer 9$305 CAD
Retailer 15$305 CAD
Retailer 8$462 CAD
Retailer 14$570 CAD
Retailer 7$614 CAD
Retailer 6$770 CAD
Retailer 10$1,048 CAD
Retailer 4$1,136 CAD
Retailer 13$1,152 CAD
Retailer 3$1,162 CAD
Retailer 11$1,390 CAD
Retailer 2$1,446 CAD
Do Amore Diamonds$2,514 CAD
Retailer 5$2,640 CAD

24 data points across 15 retailers

10 retailers$263 CAD to $2,514 CAD

A
Cheapest Retailer
-
$263 CAD
$188 USD
A
Retailer 2
-
$305 CAD
$218 USD
View
A
Retailer 3
-
$305 CAD
$218 USD
View
Final sale: no returns
A
Retailer 4
-
$462 CAD
£260 GBP
View
B+
Retailer 5
-
$570 CAD
$408 USD
View
B+
Retailer 6
-
$1,048 CAD
$750 USD
View
B+
Retailer 7
-
$1,152 CAD
$825 USD
View
Retailer 8
-
$1,390 CAD
$995 USD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
$1,446 CAD
£815 GBP
View
Most Expensive
B
Do Amore Diamonds
27-8A74780A2 · Oct 29
$2,514 CAD
$1,800 USD
View
9 more retailers have this diamond
Prices start from $263 CADSave up to $2,252 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
1.77ct Radiant
$263 CAD