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Round|Lab Grown|IGI

4.18ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG679506702

Shape and cutting style on the report: Round brilliant

Certificate IGI LG679506702

Diamond specifications and retailer prices

From $2,339 CAD
£1,319 GBP
As of October 30, 2026
Save $8,226 CAD (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $10,565 CAD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.18ct lab-grown round diamond

This 4.18ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG679506702 or 679506702. Listed at 18 retailers as of October 30, 2026, with prices from $2,339 to $10,565, a $8,226 spread on the same certified stone. Taylor and Hart lists it at $10,565. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.18
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG679506702
Dimensions10.23 × 10.30 × 6.39 mm
L/W Ratio1.01
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
10.23 mm10.30 mm4.18 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG679506702
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,339 CAD|Low: $2,339 CAD|High: $10,827 CAD|Avg: $5,045 CAD|-7.6%
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
Retailer 15
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Retailer 17
Taylor and Hart
October 30, 2026
Retailer 1$2,339 CAD
Retailer 2$2,665 CAD
Retailer 9$2,900 CAD
Retailer 10$2,910 CAD
Retailer 4$3,091 CAD
Retailer 8$3,091 CAD
Retailer 13$3,325 CAD
Retailer 5$3,354 CAD
Retailer 11$4,235 CAD
Retailer 14$4,463 CAD
Retailer 17$5,076 CAD
Retailer 6$5,796 CAD
Retailer 3$6,484 CAD
Retailer 12$6,581 CAD
Retailer 16$6,635 CAD
Retailer 7$8,331 CAD
Retailer 15$8,842 CAD
Taylor and Hart$10,565 CAD

32 data points across 18 retailers

18 retailers$2,339 CAD to $10,565 CAD

A+
Cheapest Retailer
-
$2,339 CAD
£1,319 GBP
A
Retailer 2
-
$2,665 CAD
$1,908 USD
View
A
Retailer 3
-
$2,900 CAD
$2,076 USD
View
A
Retailer 4
-
$2,910 CAD
$2,083 USD
View
Final sale: no returns
A
Retailer 5
-
$3,091 CAD
$2,213 USD
View
Retailer 6
-
$3,091 CAD
$2,213 USD
View
Price last confirmed 19 days ago
A
Retailer 7
-
$3,325 CAD
$2,380 USD
View
A
Retailer 8
-
$3,354 CAD
$2,401 USD
View
A
Retailer 9
-
$4,235 CAD
£2,387 GBP
View
A
Retailer 10
-
$4,463 CAD
$3,195 USD
View
A
Retailer 11
-
$5,076 CAD
$3,634 USD
View
A
Retailer 12
-
$5,796 CAD
$4,149 USD
View
A
Retailer 13
-
$6,484 CAD
$4,642 USD
View
A
Retailer 14
-
$6,581 CAD
ZAR 76,110 ZAR
View
Retailer 15
-
$6,635 CAD
A$7,307 AUD
View
Price last confirmed 8 days ago
A
Retailer 16
-
$8,331 CAD
$5,964 USD
View
B+
Retailer 17
-
$8,842 CAD
£4,984 GBP
View
Most Expensive
B+
Taylor and Hart
8Y0X2RH · Oct 30
$10,565 CAD
$7,563 USD
View
17 more retailers have this diamond
Prices start from $2,339 CADSave up to $8,226 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+
4.18ct Round
$2,339 CAD