Round|Lab Grown|IGI

4.30ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG737578586

Shape and cutting style on the report: Round brilliant

Certificate IGI LG737578586

Diamond specifications and retailer prices

From $19,459 CAD
$13,930 USD
As of October 29, 2026
11 retailers carry this diamond
Most expensive: $19,459 CAD at Brilliant Earth
View at Brilliant Earth

About this 4.3ct lab-grown round diamond

This 4.3ct 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 LG737578586 or 737578586. Listed at 11 retailers as of October 29, 2026. 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

4.30
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737578586
Dimensions10.38 × 10.43 × 6.42 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
10.38 mm10.43 mm4.30 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737578586
Side View
Table 58.0%Crown 35.9°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $19,459 CAD|Low: $2,653 CAD|High: $21,470 CAD|Avg: $8,594 CAD
Brilliant Earth
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
September 29, 2026
Retailer 11$3,569 CAD
Retailer 4$3,619 CAD
Retailer 19$3,758 CAD
Retailer 6$4,490 CAD
Retailer 14$4,989 CAD
Retailer 17$5,096 CAD
Retailer 3$5,364 CAD
Retailer 13$5,546 CAD
Retailer 16$5,819 CAD
Retailer 2$6,665 CAD
Retailer 12$6,999 CAD
Retailer 10$8,304 CAD
Retailer 7$9,482 CAD
Retailer 21$9,726 CAD
Retailer 9$9,743 CAD
Retailer 18$10,222 CAD
Retailer 5$13,020 CAD
Retailer 8$13,398 CAD
Retailer 15$17,129 CAD
Brilliant Earth$19,459 CAD
Retailer 20$20,032 CAD

14 data points across 21 retailers

11 retailers

Retailer 1
-
$2,911 CAD
$2,084 USD
Price last confirmed 35 days ago
Retailer 2
-
$3,330 CAD
$2,384 USD
View
Price last confirmed 33 days ago
Retailer 3
-
$3,394 CAD
$2,430 USD
View
Price last confirmed 37 days ago
Retailer 4
-
$3,569 CAD
$2,555 USD
View
Price last confirmed 44 days ago
Retailer 5
-
$4,989 CAD
HK$27,900 HKD
View
Price last confirmed 56 days ago
Retailer 6
-
$5,124 CAD
$3,668 USD
View
Price last confirmed 32 days ago
Retailer 7
-
$5,546 CAD
$3,970 USD
View
Price last confirmed 31 days ago
Retailer 8
-
$8,304 CAD
ZAR 96,031 ZAR
View
Price last confirmed 38 days ago
Retailer 9
-
$9,726 CAD
$6,963 USD
View
Price last confirmed 31 days ago
Retailer 10
-
$17,129 CAD
A$18,865 AUD
View
Price last confirmed 31 days ago
Most Expensive
B
Brilliant Earth
18669242Y · Oct 29
$19,459 CAD
$13,930 USD
View
10 more retailers have this diamond

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.

B
4.30ct Round
$19,459 CAD