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Round|Lab Grown|IGI

4.31ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG832602921

Shape and cutting style on the report: Round brilliant

Certificate IGI LG832602921

Diamond specifications and retailer prices

From $4,945 CAD
HK$27,600 HKD
As of October 30, 2026
Save $14,132 CAD (74%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $19,077 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG832602921 or 832602921. Listed at 13 retailers as of October 29, 2026, with prices from $4,945 to $19,077, a $14,132 spread on the same certified stone. Brilliant Earth lists it at $19,077. 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 angle33.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG832602921
Dimensions10.59 × 10.62 × 6.31 mm
L/W Ratio1.00
Girdle conditionFaceted
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
10.59 mm10.62 mm4.31 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG832602921
Side View
Table 59.0%Crown 33.3°Girdle: MediumPavilion 40.7°Culet: NoneDepth 59.5%

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: $5,457 CAD|Low: $4,945 CAD|High: $15,680 CAD|Avg: $9,183 CAD|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10$4,945 CAD
Retailer 1$5,457 CAD
Retailer 11$6,102 CAD
Retailer 6$6,476 CAD
Retailer 7$7,120 CAD
Retailer 4$8,638 CAD
Retailer 3$10,617 CAD
Retailer 9$10,834 CAD
Retailer 5$10,923 CAD
Retailer 8$14,160 CAD
Retailer 2$15,680 CAD

22 data points across 11 retailers

13 retailers$4,945 CAD to $19,077 CAD

A
Cheapest Retailer
-
$4,945 CAD
HK$27,600 HKD
A
Retailer 2
-
$5,457 CAD
£3,070 GBP
View
A
Retailer 3
-
$6,102 CAD
$4,360 USD
View
A
Retailer 4
-
$6,476 CAD
€4,407 EUR
View
A
Retailer 5
-
$7,120 CAD
$5,087 USD
View
A
Retailer 6
-
$8,638 CAD
ZAR 99,708 ZAR
View
B+
Retailer 7
-
$10,617 CAD
$7,586 USD
View
B+
Retailer 8
-
$10,834 CAD
$7,741 USD
View
B+
Retailer 9
-
$10,923 CAD
£6,145 GBP
View
B+
Retailer 10
-
$12,065 CAD
$8,620 USD
View
B+
Retailer 11
-
$14,160 CAD
$10,117 USD
View
B
Retailer 12
-
$15,680 CAD
$11,203 USD
View
Most Expensive
B
Brilliant Earth
21765054A · Oct 29
$19,077 CAD
$13,630 USD
View
12 more retailers have this diamond
Prices start from $4,945 CADSave up to $14,132 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
$4,945 CAD