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Round|Lab Grown|IGI

4.31ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG738511288

Shape and cutting style on the report: Round brilliant

Certificate IGI LG738511288

Diamond specifications and retailer prices

From $3,274 CAD
$2,339 USD
As of October 29, 2026
Save $16,839 CAD (84%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $20,112 CAD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.31ct lab-grown round diamond

This 4.31ct 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 LG738511288 or 738511288. Listed at 28 retailers as of October 29, 2026, with prices from $3,274 to $20,112, a $16,839 spread on the same certified stone. Do Amore Diamonds lists it at $20,112. 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

4.31
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG738511288
Dimensions10.51 × 10.56 × 6.37 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
10.51 mm10.56 mm4.31 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG738511288
Side View
Table 57.0%Crown 34.1°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.5%

Caratlytics Score

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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 29
Current: $20,112 CAD|Low: $3,274 CAD|High: $20,112 CAD|Avg: $8,623 CAD
Do Amore Diamonds
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 15$3,274 CAD
Retailer 14$3,345 CAD
Retailer 9$3,633 CAD
Retailer 7$4,658 CAD
Retailer 2$5,134 CAD
Retailer 6$5,352 CAD
Retailer 20$5,353 CAD
Retailer 19$5,439 CAD
Retailer 21$5,619 CAD
Retailer 17$5,958 CAD
Retailer 13$7,968 CAD
Retailer 18$8,033 CAD
Retailer 5$9,137 CAD
Retailer 11$9,521 CAD
Retailer 8$9,767 CAD
Retailer 16$10,210 CAD
Retailer 10$13,075 CAD
Retailer 12$13,456 CAD
Retailer 3$15,721 CAD
Retailer 4$18,965 CAD
Do Amore Diamonds$20,112 CAD

39 data points across 21 retailers

28 retailers$3,274 CAD to $20,112 CAD

Retailer 1
-
$2,924 CAD
$2,089 USD
Price last confirmed 35 days ago
Retailer 2
-
$3,181 CAD
$2,273 USD
View
Price last confirmed 23 days ago
Retailer 3
-
$3,181 CAD
$2,273 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$3,274 CAD
$2,339 USD
View
Final sale: no returns
Retailer 5
-
$3,345 CAD
$2,390 USD
View
Price last confirmed 32 days ago
A
Retailer 6
-
$3,391 CAD
$2,423 USD
View
Retailer 7
-
$3,391 CAD
$2,423 USD
View
Price last confirmed 27 days ago
Retailer 8
-
$3,409 CAD
$2,436 USD
View
Price last confirmed 36 days ago
A
Retailer 9
-
$3,633 CAD
$2,596 USD
View
A
Retailer 10
-
$4,658 CAD
HK$26,000 HKD
View
A
Retailer 11
-
$5,134 CAD
£2,888 GBP
View
Retailer 12
-
$5,145 CAD
$3,676 USD
View
Price last confirmed 32 days ago
A
Retailer 13
-
$5,352 CAD
$3,824 USD
View
A
Retailer 14
-
$5,353 CAD
$3,825 USD
View
A
Retailer 15
-
$5,439 CAD
$3,886 USD
View
A
Retailer 16
-
$5,619 CAD
$4,015 USD
View
A
Retailer 17
-
$5,958 CAD
€4,054 EUR
View
A
Retailer 18
-
$7,968 CAD
ZAR 91,975 ZAR
View
Retailer 19
-
$8,033 CAD
A$8,830 AUD
View
Price last confirmed 7 days ago
A
Retailer 20
-
$9,137 CAD
$6,528 USD
View
B+
Retailer 21
-
$9,521 CAD
$6,803 USD
View
B+
Retailer 22
-
$9,767 CAD
$6,979 USD
View
B+
Retailer 23
-
$10,210 CAD
£5,744 GBP
View
B+
Retailer 24
-
$13,075 CAD
$9,342 USD
View
B+
Retailer 25
-
$13,456 CAD
SGD 12,992 SGD
View
Retailer 26
-
$15,721 CAD
A$17,281 AUD
View
Price last confirmed 25 days ago
B
Retailer 27
-
$18,965 CAD
$13,550 USD
View
Most Expensive
B
Do Amore Diamonds
27-03C36E52C · Oct 29
$20,112 CAD
$14,370 USD
View
27 more retailers have this diamond
Prices start from $3,274 CADSave up to $16,839 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
4.31ct Round
$3,274 CAD