Heart|Lab Grown|IGI

4.45ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG633464403

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG633464403

Diamond specifications and retailer prices

From €2,598 EUR
£2,295 GBP
As of November 2, 2026
Save €8,265 EUR (76%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €10,864 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.45ct lab-grown heart diamond

This 4.45ct 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 LG633464403 or 633464403. Listed at 23 retailers as of October 31, 2026, with prices from €2,598 to €10,864, a €8,265 spread on the same certified stone. Taylor and Hart lists it at €10,864. 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

4.45
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG633464403
Dimensions10.31 × 11.20 × 6.69 mm
L/W Ratio1.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.31 mm11.20 mm4.45 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG633464403
Side View
Table 59.0%Crown 39.2°Girdle: STK-THKPavilion 39°Culet: NoneDepth 59.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: €4,872 EUR|Low: €2,598 EUR|High: €10,864 EUR|Avg: €5,403 EUR|-31.8%
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
Taylor and Hart
November 2, 2026
Retailer 9€2,598 EUR
Retailer 3€3,013 EUR
Retailer 8€3,120 EUR
Retailer 16€3,120 EUR
Retailer 2€3,146 EUR
Retailer 5€3,263 EUR
Retailer 10€4,217 EUR
Retailer 15€4,391 EUR
Retailer 14€4,458 EUR
Retailer 1€4,872 EUR
Retailer 7€5,571 EUR
Retailer 13€6,641 EUR
Retailer 12€6,684 EUR
Retailer 6€7,837 EUR
Retailer 11€7,908 EUR
Retailer 4€8,656 EUR
Taylor and Hart€10,864 EUR

31 data points across 17 retailers

23 retailers€2,598 EUR to €10,864 EUR

A
Cheapest Retailer
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€2,598 EUR
£2,295 GBP
Retailer 2
-
€2,690 EUR
$3,017 USD
View
Price last confirmed 14 days ago
A
Retailer 3
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€3,013 EUR
$3,379 USD
View
Final sale: no returns
Retailer 4
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€3,120 EUR
$3,499 USD
View
Price last confirmed 21 days ago
Retailer 5
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€3,120 EUR
$3,499 USD
View
Price last confirmed 13 days ago
A
Retailer 6
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€3,146 EUR
$3,529 USD
View
A
Retailer 7
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€3,263 EUR
$3,660 USD
View
Retailer 8
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€3,878 EUR
$4,350 USD
View
Price last confirmed 33 days ago
Retailer 9
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€4,065 EUR
$4,559 USD
View
Price last confirmed 34 days ago
A
Retailer 10
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€4,217 EUR
£3,724 GBP
View
A
Retailer 11
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€4,391 EUR
$4,925 USD
View
Retailer 12
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€4,437 EUR
$4,976 USD
View
Price last confirmed 36 days ago
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Retailer 13
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€4,458 EUR
$5,000 USD
View
A
Retailer 14
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€4,872 EUR
View
A
Retailer 15
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€5,571 EUR
$6,249 USD
View
Retailer 16
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€5,621 EUR
$6,305 USD
View
Price last confirmed 33 days ago
A
Retailer 17
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€6,641 EUR
ZAR 120,338 ZAR
View
A
Retailer 18
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€6,684 EUR
A$11,533 AUD
View
Retailer 19
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€7,836 EUR
£6,920 GBP
View
Price last confirmed 24 days ago
A
Retailer 20
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€7,837 EUR
$8,790 USD
View
A
Retailer 21
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€7,908 EUR
£6,984 GBP
View
B+
Retailer 22
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€8,656 EUR
$9,708 USD
View
Most Expensive
B+
Taylor and Hart
W3FTNLM · Oct 31
€10,864 EUR
$12,185 USD
View
22 more retailers have this diamond
Prices start from €2,598 EURSave up to €8,265 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
4.45ct Heart
€2,598 EUR