Radiant|Lab Grown|IGI

1.56ct G SI1 Radiant Lab Grown Diamond

EX • G/SI1 • IGI LG605366722

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

Certificate IGI LG605366722

Diamond specifications and retailer prices

From $356 CAD
$255 USD
As of October 30, 2026
Save $1,437 CAD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,793 CAD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.56ct lab-grown radiant diamond

This 1.56ct lab-grown radiant 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 LG605366722 or 605366722. Listed at 16 retailers as of October 30, 2026, with prices from $356 to $1,793, a $1,437 spread on the same certified stone. Reve Diamonds lists it at $1,793. 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

1.56
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle30.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605366722
Dimensions8.50 × 5.49 × 3.67 mm
L/W Ratio1.55
Culet sizePointed
Top View
8.50 mm5.49 mm1.56 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605366722
Side View
Table 66.0%Crown 43.3°Girdle: MediumPavilion 30.5°Culet: NoneDepth 66.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $660 CAD|Low: $306 CAD|High: $1,604 CAD|Avg: $764 CAD|+2.3%
Retailer 1
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
October 31, 2026
Retailer 12$318 CAD
Retailer 6$356 CAD
Retailer 3$370 CAD
Retailer 4$395 CAD
Retailer 13$395 CAD
Retailer 1$660 CAD
Retailer 2$673 CAD
Retailer 8$718 CAD
Retailer 7$733 CAD
Retailer 5$856 CAD
Retailer 11$1,032 CAD
Retailer 10$1,236 CAD
Retailer 14$1,271 CAD
Retailer 9$1,593 CAD

40 data points across 14 retailers

16 retailers$356 CAD to $1,793 CAD

Retailer 1
-
$318 CAD
$228 USD
Price last confirmed 9 days ago
A
Retailer 2
-
$356 CAD
$255 USD
View
Final sale: no returns
Retailer 3
-
$370 CAD
$265 USD
View
Price last confirmed 10 days ago
Retailer 4
-
$395 CAD
$283 USD
View
Price last confirmed 15 days ago
Retailer 5
-
$395 CAD
$283 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$660 CAD
€450 EUR
View
A
Retailer 7
-
$673 CAD
$482 USD
View
A
Retailer 8
-
$718 CAD
$514 USD
View
A
Retailer 9
-
$733 CAD
£413 GBP
View
B+
Retailer 10
-
$856 CAD
$613 USD
View
B
Retailer 11
-
$1,032 CAD
$739 USD
View
Retailer 12
-
$1,236 CAD
$885 USD
View
Price last confirmed 12 days ago
Retailer 13
-
$1,271 CAD
$910 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$1,344 CAD
$962 USD
View
Retailer 15
-
$1,593 CAD
£898 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Reve Diamonds
D19BAF116 · Oct 30
$1,793 CAD
$1,284 USD
View
15 more retailers have this diamond
Prices start from $356 CADSave up to $1,437 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
1.56ct Radiant
$356 CAD