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Round|Lab Grown|IGI

4.18ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG691525873

Shape and cutting style on the report: Round brilliant

Certificate IGI LG691525873

Diamond specifications and retailer prices

From $4,586 CAD
£2,585 GBP
As of October 30, 2026
Save $30,658 CAD (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $35,244 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG691525873 or 691525873. Listed at 24 retailers as of October 29, 2026, with prices from $4,586 to $35,244, a $30,658 spread on the same certified stone. Do Amore Diamonds lists it at $35,244. 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 angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691525873
Dimensions10.30 × 10.34 × 6.38 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
10.30 mm10.34 mm4.18 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691525873
Side View
Table 57.0%Crown 35.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
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: $4,586 CAD|Low: $4,432 CAD|High: $32,771 CAD|Avg: $10,510 CAD|-0.7%
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
Retailer 16
October 30, 2026
Retailer 1$4,586 CAD
Retailer 16$4,617 CAD
Retailer 8$5,023 CAD
Retailer 3$5,356 CAD
Retailer 13$5,357 CAD
Retailer 7$5,364 CAD
Retailer 15$7,387 CAD
Retailer 9$7,691 CAD
Retailer 5$8,313 CAD
Retailer 12$9,361 CAD
Retailer 10$12,581 CAD
Retailer 11$12,731 CAD
Retailer 14$12,820 CAD
Retailer 4$13,472 CAD
Retailer 6$20,376 CAD
Retailer 2$32,771 CAD

38 data points across 16 retailers

24 retailers$4,586 CAD to $35,244 CAD

A
Cheapest Retailer
-
$4,586 CAD
£2,585 GBP
A
Retailer 2
-
$4,617 CAD
$3,305 USD
View
A
Retailer 3
-
$5,023 CAD
$3,596 USD
View
A
Retailer 4
-
$5,171 CAD
$3,702 USD
View
Final sale: no returns
A
Retailer 5
-
$5,356 CAD
$3,834 USD
View
Retailer 6
-
$5,356 CAD
$3,834 USD
View
Price last confirmed 18 days ago
A
Retailer 7
-
$5,357 CAD
$3,835 USD
View
A
Retailer 8
-
$5,364 CAD
$3,840 USD
View
A
Retailer 9
-
$5,419 CAD
$3,879 USD
View
A
Retailer 10
-
$7,387 CAD
$5,288 USD
View
A
Retailer 11
-
$7,387 CAD
$5,288 USD
View
A
Retailer 12
-
$7,691 CAD
£4,335 GBP
View
A
Retailer 13
-
$8,313 CAD
$5,951 USD
View
B+
Retailer 14
-
$9,361 CAD
€6,382 EUR
View
B+
Retailer 15
-
$12,581 CAD
ZAR 145,498 ZAR
View
B+
Retailer 16
-
$12,731 CAD
£7,176 GBP
View
Retailer 17
-
$12,820 CAD
A$14,119 AUD
View
Price last confirmed 8 days ago
B+
Retailer 18
-
$13,472 CAD
$9,644 USD
View
B+
Retailer 19
-
$14,156 CAD
$10,134 USD
View
B
Retailer 20
-
$20,376 CAD
SGD 19,712 SGD
View
B
Retailer 21
-
$20,856 CAD
$14,930 USD
View
B
Retailer 22
-
$31,766 CAD
$22,740 USD
View
B
Retailer 23
-
$32,771 CAD
$23,460 USD
View
Most Expensive
B
Do Amore Diamonds
23-691525873 · Oct 29
$35,244 CAD
$25,230 USD
View
23 more retailers have this diamond
Prices start from $4,586 CADSave up to $30,658 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
$4,586 CAD