Heart|Lab Grown|IGI

4.00ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG843670792

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG843670792

Diamond specifications and retailer prices

From $4,475 CAD
£2,522 GBP
As of October 30, 2026
Save $24,301 CAD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $28,776 CAD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4ct lab-grown heart diamond

This 4ct lab-grown heart 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 LG843670792 or 843670792. Listed at 11 retailers as of October 30, 2026, with prices from $4,475 to $28,776, a $24,301 spread on the same certified stone. Do Amore Diamonds lists it at $28,776. 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

4.00
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843670792
Dimensions10.05 × 10.71 × 6.52 mm
L/W Ratio1.07
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
10.05 mm10.71 mm4.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843670792
Side View
Table 55.0%Crown 35°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 60.9%

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: $28,776 CAD|Low: $4,466 CAD|High: $29,307 CAD|Avg: $13,925 CAD|-1.8%
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
October 30, 2026
Retailer 5$4,475 CAD
Retailer 8$5,078 CAD
Retailer 12$5,709 CAD
Retailer 10$6,972 CAD
Retailer 9$7,542 CAD
Retailer 6$8,809 CAD
Retailer 11$11,777 CAD
Retailer 7$13,650 CAD
Retailer 3$14,032 CAD
Retailer 2$18,299 CAD
Do Amore Diamonds$28,776 CAD
Retailer 4$28,998 CAD

15 data points across 12 retailers

11 retailers$4,475 CAD to $28,776 CAD

A+
Cheapest Retailer
-
$4,475 CAD
£2,522 GBP
A
Retailer 2
-
$5,078 CAD
$3,635 USD
View
A
Retailer 3
-
$5,709 CAD
$4,087 USD
View
A
Retailer 4
-
$6,972 CAD
$4,991 USD
View
A
Retailer 5
-
$7,542 CAD
$5,399 USD
View
A
Retailer 6
-
$8,809 CAD
€6,006 EUR
View
Retailer 7
-
$11,777 CAD
A$12,970 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$13,650 CAD
£7,694 GBP
View
Retailer 9
-
$14,032 CAD
$10,045 USD
View
Price last confirmed 14 days ago
B+
Retailer 10
-
$18,299 CAD
$13,100 USD
View
Most Expensive
B
Do Amore Diamonds
27-4589841D9 · Oct 31
$28,776 CAD
$20,600 USD
View
10 more retailers have this diamond
Prices start from $4,475 CADSave up to $24,301 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+
4.00ct Heart
$4,475 CAD