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Radiant|Lab Grown|IGI

1.68ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG800676652

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

Certificate IGI LG800676652

Diamond specifications and retailer prices

From $800 CAD
$573 USD
As of October 30, 2026
Save $6,645 CAD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,445 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.68ct lab-grown radiant diamond

This 1.68ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG800676652 or 800676652. Listed at 14 retailers as of October 29, 2026, with prices from $800 to $7,445, a $6,645 spread on the same certified stone. Brilliant Earth lists it at $7,445. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.68
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676652
Dimensions8.57 × 5.96 × 3.82 mm
L/W Ratio1.44
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
Top View
8.57 mm5.96 mm1.68 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676652
Side View
Table 62.0%Crown 39.6°Girdle: STK-THKPavilion 34.7°Culet: NoneDepth 64.1%

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: $7,445 CAD|Low: $760 CAD|High: $8,437 CAD|Avg: $3,409 CAD|-2.9%
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
October 29, 2026
Retailer 8$800 CAD
Retailer 14$897 CAD
Retailer 6$1,064 CAD
Retailer 10$1,175 CAD
Retailer 4$1,194 CAD
Retailer 5$1,460 CAD
Retailer 9$1,530 CAD
Retailer 3$1,753 CAD
Retailer 12$2,464 CAD
Retailer 13$2,883 CAD
Retailer 2$4,343 CAD
Retailer 7$4,745 CAD
Retailer 15$5,602 CAD
Retailer 11$7,110 CAD
Brilliant Earth$7,445 CAD

29 data points across 15 retailers

14 retailers$800 CAD to $7,445 CAD

A
Cheapest Retailer
-
$800 CAD
$573 USD
A
Retailer 2
-
$897 CAD
$642 USD
View
A
Retailer 3
-
$1,064 CAD
$762 USD
View
Final sale: no returns
A
Retailer 4
-
$1,175 CAD
$841 USD
View
A
Retailer 5
-
$1,194 CAD
$855 USD
View
A
Retailer 6
-
$1,460 CAD
$1,045 USD
View
A
Retailer 7
-
$1,530 CAD
$1,095 USD
View
B+
Retailer 8
-
$1,753 CAD
€1,195 EUR
View
B+
Retailer 9
-
$2,464 CAD
$1,764 USD
View
B+
Retailer 10
-
$2,883 CAD
$2,064 USD
View
B
Retailer 11
-
$4,343 CAD
£2,448 GBP
View
B
Retailer 12
-
$5,602 CAD
$4,010 USD
View
B
Retailer 13
-
$7,110 CAD
$5,090 USD
View
Most Expensive
B
Brilliant Earth
20496149Y · Oct 29
$7,445 CAD
$5,330 USD
View
13 more retailers have this diamond
Prices start from $800 CADSave up to $6,645 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
1.68ct Radiant
$800 CAD