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Radiant|Lab Grown|IGI

1.70ct G IF Radiant Lab Grown Diamond

ID • G/IF • IGI LG581327872

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

Certificate IGI LG581327872

Diamond specifications and retailer prices

From $451 CAD
$322 USD
As of October 30, 2026
Save $3,930 CAD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,381 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.7ct lab-grown radiant diamond

This 1.7ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG581327872 or 581327872. Listed at 18 retailers as of October 29, 2026, with prices from $451 to $4,381, a $3,930 spread on the same certified stone. Brilliant Earth lists it at $4,381. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581327872
Dimensions8.12 × 5.99 × 4.08 mm
L/W Ratio1.36
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
8.12 mm5.99 mm1.70 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581327872
Side View
Table 63.0%Crown 44.2°Girdle: MediumPavilion 36.3°Culet: NoneDepth 68.1%

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 30
Current: $4,381 CAD|Low: $432 CAD|High: $4,521 CAD|Avg: $1,417 CAD|-3.1%
Brilliant Earth
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
Retailer 16
October 30, 2026
Retailer 16$451 CAD
Retailer 5$504 CAD
Retailer 3$558 CAD
Retailer 15$753 CAD
Retailer 12$777 CAD
Retailer 6$929 CAD
Retailer 13$942 CAD
Retailer 11$959 CAD
Retailer 2$997 CAD
Retailer 10$1,302 CAD
Retailer 14$1,337 CAD
Retailer 7$1,600 CAD
Retailer 8$1,858 CAD
Retailer 4$2,147 CAD
Retailer 9$2,250 CAD
Brilliant Earth$4,381 CAD

45 data points across 16 retailers

18 retailers$451 CAD to $4,381 CAD

A
Cheapest Retailer
-
$451 CAD
$322 USD
A
Retailer 2
-
$504 CAD
$360 USD
View
Final sale: no returns
A
Retailer 3
-
$522 CAD
$373 USD
View
A
Retailer 4
-
$558 CAD
$399 USD
View
A
Retailer 5
-
$558 CAD
$399 USD
View
A
Retailer 6
-
$753 CAD
$538 USD
View
A
Retailer 7
-
$777 CAD
$555 USD
View
A
Retailer 8
-
$929 CAD
$664 USD
View
A
Retailer 9
-
$959 CAD
ZAR 11,074 ZAR
View
A
Retailer 10
-
$997 CAD
£561 GBP
View
A
Retailer 11
-
$1,302 CAD
A$1,431 AUD
View
B+
Retailer 12
-
$1,337 CAD
$955 USD
View
B+
Retailer 13
-
$1,600 CAD
$1,143 USD
View
B+
Retailer 14
-
$1,794 CAD
$1,282 USD
View
B+
Retailer 15
-
$1,858 CAD
$1,327 USD
View
B
Retailer 16
-
$2,147 CAD
$1,534 USD
View
B+
Retailer 17
-
$2,250 CAD
£1,266 GBP
View
Most Expensive
B
Brilliant Earth
21312144A · Oct 29
$4,381 CAD
$3,130 USD
View
17 more retailers have this diamond
Prices start from $451 CADSave up to $3,930 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
1.70ct Radiant
$451 CAD