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Round|Lab Grown|IGI

1.68ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG683520864

Shape and cutting style on the report: Round brilliant

Certificate IGI LG683520864

Diamond specifications and retailer prices

From $543 CAD
$389 USD
As of October 30, 2026
Save $1,813 CAD (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,422 CAD at Rare Carat · As of October 25, 2026
View at Rare Carat

About this 1.68ct lab-grown round diamond

This 1.68ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG683520864 or 683520864. Listed at 22 retailers as of October 26, 2026, with a 334% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683520864
Dimensions7.66 × 7.63 × 4.69 mm
L/W Ratio1.00
Girdle conditionFaceted
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
Top View
7.66 mm7.63 mm1.68 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683520864
Side View
Table 59.0%Crown 33.8°Girdle: MediumPavilion 41.3°Culet: NoneDepth 61.4%

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: $3,422 CAD|Low: $543 CAD|High: $3,457 CAD|Avg: $1,381 CAD|-1.0%
Rare Carat
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
November 1, 2026
Retailer 4$543 CAD
Retailer 5$602 CAD
Retailer 2$771 CAD
Retailer 13$827 CAD
Retailer 10$831 CAD
Retailer 6$968 CAD
Retailer 9$1,035 CAD
Retailer 7$1,079 CAD
Retailer 8$1,397 CAD
Retailer 12$1,766 CAD
Retailer 3$2,276 CAD
Retailer 14$2,325 CAD
Retailer 11$2,356 CAD
Rare Carat$3,422 CAD

41 data points across 14 retailers

22 retailers$543 CAD to $2,356 CAD

Retailer 1
-
$467 CAD
$334 USD
Price last confirmed 24 days ago
Retailer 2
-
$486 CAD
$348 USD
View
Price last confirmed 39 days ago
A
Retailer 3
-
$543 CAD
$389 USD
View
Final sale: no returns
Retailer 4
-
$563 CAD
$403 USD
View
Price last confirmed 39 days ago
Retailer 5
-
$594 CAD
$425 USD
View
Price last confirmed 40 days ago
Retailer 6
-
$602 CAD
$431 USD
View
Price last confirmed 29 days ago
A
Retailer 7
-
$771 CAD
£434 GBP
View
A
Retailer 8
-
$827 CAD
$592 USD
View
A
Retailer 9
-
$831 CAD
$595 USD
View
A
Retailer 10
-
$968 CAD
$693 USD
View
A
Retailer 11
-
$1,035 CAD
ZAR 11,964 ZAR
View
A
Retailer 12
-
$1,079 CAD
£608 GBP
View
A
Retailer 13
-
$1,397 CAD
A$1,539 AUD
View
B+
Retailer 14
-
$1,633 CAD
$1,169 USD
View
B+
Retailer 15
-
$1,766 CAD
$1,264 USD
View
Retailer 16
-
$1,935 CAD
$1,385 USD
View
Price last confirmed 24 days ago
Retailer 17
-
$1,935 CAD
$1,385 USD
View
Price last confirmed 41 days ago
B+
Retailer 18
-
$1,994 CAD
$1,427 USD
View
B+
Retailer 19
-
$2,276 CAD
$1,629 USD
View
B+
Retailer 20
-
$2,325 CAD
$1,664 USD
View
B+
Retailer 21
-
$2,356 CAD
£1,328 GBP
View
Most Expensive
Rare Carat
SS11634_l_683520864 · Oct 25
$3,422 CAD
$2,450 USD
View
Price last confirmed 7 days ago
21 more retailers have this diamond
Prices start from $543 CADSave up to $1,813 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 Round
$543 CAD