Heart|Lab Grown|IGI

4.52ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG817695375

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG817695375

Diamond specifications and retailer prices

From $7,507 CAD
£4,232 GBP
As of November 1, 2026
Save $46,651 CAD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $54,158 CAD at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.52ct lab-grown heart diamond

This 4.52ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817695375 or 817695375. Listed at 21 retailers as of October 31, 2026, with prices from $7,507 to $54,158, a $46,651 spread on the same certified stone. With Clarity lists it at $54,158. 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

4.52
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817695375
Dimensions10.24 × 11.52 × 6.48 mm
L/W Ratio1.13
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
10.24 mm11.52 mm4.52 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817695375
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 56.3%

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: Nov 1
Current: $18,340 CAD|Low: $7,504 CAD|High: $54,704 CAD|Avg: $16,837 CAD|-11.1%
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
Retailer 17
Retailer 18
Retailer 19
With Clarity
November 1, 2026
Retailer 12$7,507 CAD
Retailer 6$7,770 CAD
Retailer 19$8,143 CAD
Retailer 4$8,260 CAD
Retailer 17$8,701 CAD
Retailer 8$9,013 CAD
Retailer 9$9,013 CAD
Retailer 3$9,017 CAD
Retailer 18$10,195 CAD
Retailer 10$10,699 CAD
Retailer 5$11,219 CAD
Retailer 13$11,475 CAD
Retailer 7$13,919 CAD
Retailer 1$18,340 CAD
Retailer 14$18,962 CAD
Retailer 16$19,183 CAD
Retailer 15$24,613 CAD
Retailer 11$31,841 CAD
Retailer 2$37,082 CAD
With Clarity$54,704 CAD

31 data points across 20 retailers

21 retailers$7,507 CAD to $54,158 CAD

A
Cheapest Retailer
-
$7,507 CAD
£4,232 GBP
A
Retailer 2
-
$7,770 CAD
$5,562 USD
View
A
Retailer 3
-
$8,143 CAD
$5,829 USD
View
A
Retailer 4
-
$8,260 CAD
$5,913 USD
View
A
Retailer 5
-
$8,701 CAD
$6,229 USD
View
Final sale: no returns
A
Retailer 6
-
$9,013 CAD
$6,452 USD
View
Retailer 7
-
$9,013 CAD
$6,452 USD
View
Price last confirmed 16 days ago
A
Retailer 8
-
$9,017 CAD
$6,455 USD
View
A
Retailer 9
-
$10,195 CAD
$7,298 USD
View
A
Retailer 10
-
$10,699 CAD
$7,659 USD
View
A
Retailer 11
-
$11,219 CAD
$8,031 USD
View
A
Retailer 12
-
$11,475 CAD
£6,468 GBP
View
B+
Retailer 13
-
$13,919 CAD
$9,964 USD
View
B+
Retailer 14
-
$17,204 CAD
$12,316 USD
View
B+
Retailer 15
-
$18,340 CAD
£10,338 GBP
View
B+
Retailer 16
-
$18,962 CAD
$13,574 USD
View
B+
Retailer 17
-
$19,183 CAD
ZAR 221,850 ZAR
View
B+
Retailer 18
-
$24,613 CAD
$17,620 USD
View
B
Retailer 19
-
$31,841 CAD
$22,794 USD
View
B
Retailer 20
-
$37,082 CAD
SGD 35,873 SGD
View
Most Expensive
B
With Clarity
817695375 · Oct 31
$54,158 CAD
$38,770 USD
View
20 more retailers have this diamond
Prices start from $7,507 CADSave up to $46,651 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
4.52ct Heart
$7,507 CAD