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 $5,374 USD
£4,232 GBP
As of November 1, 2026
Save $33,396 USD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $38,770 USD 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 $5,374 to $38,770, a $33,396 spread on the same certified stone. With Clarity lists it at $38,770. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,374 USD|Low: $5,372 USD|High: $39,161 USD|Avg: $12,027 USD|-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 1$5,374 USD
Retailer 6$5,562 USD
Retailer 19$5,829 USD
Retailer 4$5,913 USD
Retailer 16$6,229 USD
Retailer 8$6,452 USD
Retailer 9$6,452 USD
Retailer 3$6,455 USD
Retailer 18$7,298 USD
Retailer 10$7,659 USD
Retailer 5$8,031 USD
Retailer 12$8,215 USD
Retailer 7$9,964 USD
Retailer 17$13,199 USD
Retailer 13$13,574 USD
Retailer 15$13,733 USD
Retailer 14$17,620 USD
Retailer 11$22,794 USD
Retailer 2$26,546 USD
With Clarity$39,161 USD

31 data points across 20 retailers

21 retailers$5,374 USD to $38,770 USD

A
Cheapest Retailer
-
$5,374 USD
£4,232 GBP
A
Retailer 2
-
$5,562 USD
View
A
Retailer 3
-
$5,829 USD
View
A
Retailer 4
-
$5,913 USD
View
A
Retailer 5
-
$6,229 USD
View
Final sale: no returns
A
Retailer 6
-
$6,452 USD
View
Retailer 7
-
$6,452 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
$6,455 USD
View
A
Retailer 9
-
$7,298 USD
View
A
Retailer 10
-
$7,659 USD
View
A
Retailer 11
-
$8,031 USD
View
A
Retailer 12
-
$8,215 USD
£6,468 GBP
View
B+
Retailer 13
-
$9,964 USD
View
B+
Retailer 14
-
$12,316 USD
View
B+
Retailer 15
-
$13,199 USD
£10,393 GBP
View
B+
Retailer 16
-
$13,574 USD
View
B+
Retailer 17
-
$13,733 USD
ZAR 221,850 ZAR
View
B+
Retailer 18
-
$17,620 USD
View
B
Retailer 19
-
$22,794 USD
View
B
Retailer 20
-
$26,546 USD
SGD 35,873 SGD
View
Most Expensive
B
With Clarity
817695375 · Oct 31
$38,770 USD
View
20 more retailers have this diamond
Prices start from $5,374 USDSave up to $33,396 USD

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
$5,374 USD