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 €4,810 EUR
£4,232 GBP
As of November 1, 2026
Save €29,892 EUR (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €34,703 EUR 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 €4,810 to €34,703, a €29,892 spread on the same certified stone. With Clarity lists it at €34,703. 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

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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: €4,810 EUR|Low: €4,809 EUR|High: €35,053 EUR|Avg: €10,765 EUR|-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€4,810 EUR
Retailer 6€4,978 EUR
Retailer 19€5,217 EUR
Retailer 4€5,293 EUR
Retailer 16€5,576 EUR
Retailer 8€5,775 EUR
Retailer 9€5,775 EUR
Retailer 3€5,778 EUR
Retailer 18€6,532 EUR
Retailer 10€6,855 EUR
Retailer 5€7,188 EUR
Retailer 12€7,353 EUR
Retailer 7€8,919 EUR
Retailer 17€11,814 EUR
Retailer 13€12,150 EUR
Retailer 15€12,292 EUR
Retailer 14€15,771 EUR
Retailer 11€20,403 EUR
Retailer 2€23,761 EUR
With Clarity€35,053 EUR

31 data points across 20 retailers

21 retailers€4,810 EUR to €34,703 EUR

A
Cheapest Retailer
-
€4,810 EUR
£4,232 GBP
A
Retailer 2
-
€4,978 EUR
$5,562 USD
View
A
Retailer 3
-
€5,217 EUR
$5,829 USD
View
A
Retailer 4
-
€5,293 EUR
$5,913 USD
View
A
Retailer 5
-
€5,576 EUR
$6,229 USD
View
Final sale: no returns
A
Retailer 6
-
€5,775 EUR
$6,452 USD
View
Retailer 7
-
€5,775 EUR
$6,452 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
€5,778 EUR
$6,455 USD
View
A
Retailer 9
-
€6,532 EUR
$7,298 USD
View
A
Retailer 10
-
€6,855 EUR
$7,659 USD
View
A
Retailer 11
-
€7,188 EUR
$8,031 USD
View
A
Retailer 12
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€7,353 EUR
£6,468 GBP
View
B+
Retailer 13
-
€8,919 EUR
$9,964 USD
View
B+
Retailer 14
-
€11,024 EUR
$12,316 USD
View
B+
Retailer 15
-
€11,814 EUR
£10,393 GBP
View
B+
Retailer 16
-
€12,150 EUR
$13,574 USD
View
B+
Retailer 17
-
€12,292 EUR
ZAR 221,850 ZAR
View
B+
Retailer 18
-
€15,771 EUR
$17,620 USD
View
B
Retailer 19
-
€20,403 EUR
$22,794 USD
View
B
Retailer 20
-
€23,761 EUR
SGD 35,873 SGD
View
Most Expensive
B
With Clarity
817695375 · Oct 31
€34,703 EUR
$38,770 USD
View
20 more retailers have this diamond
Prices start from €4,810 EURSave up to €29,892 EUR

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
€4,810 EUR