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Heart|Lab Grown|IGI

4.53ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG811622402

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG811622402

Diamond specifications and retailer prices

From €5,342 EUR
$5,992 USD
As of November 2, 2026
Save €16,286 EUR (75%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €21,629 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.53ct lab-grown heart diamond

This 4.53ct 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 LG811622402 or 811622402. Listed at 20 retailers as of October 31, 2026, with prices from €5,342 to €21,629, a €16,286 spread on the same certified stone. Taylor and Hart lists it at €21,629. 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

4.53
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811622402
Dimensions11.32 × 10.82 × 6.56 mm
L/W Ratio1.05
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
11.32 mm10.82 mm4.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811622402
Side View
Table 64.0%Crown 31.5°Girdle: STK-THKPavilion 41.5°Culet: NoneDepth 58.0%

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 2
Current: €11,281 EUR|Low: €5,128 EUR|High: €21,629 EUR|Avg: €11,094 EUR|+2.2%
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 2€5,342 EUR
Retailer 5€5,718 EUR
Retailer 7€5,983 EUR
Retailer 16€6,188 EUR
Retailer 3€6,196 EUR
Retailer 6€7,321 EUR
Retailer 15€7,497 EUR
Retailer 11€7,699 EUR
Retailer 13€9,132 EUR
Retailer 1€11,281 EUR
Retailer 10€12,609 EUR
Retailer 12€13,189 EUR
Retailer 9€13,694 EUR
Retailer 4€15,765 EUR
Retailer 8€17,240 EUR
Retailer 14€19,766 EUR
Taylor and Hart€21,629 EUR

39 data points across 17 retailers

20 retailers€5,342 EUR to €21,629 EUR

A
Cheapest Retailer
-
€5,342 EUR
$5,992 USD
A
Retailer 2
-
€5,598 EUR
$6,279 USD
View
A
Retailer 3
-
€5,718 EUR
$6,413 USD
View
A
Retailer 4
-
€5,983 EUR
$6,710 USD
View
Final sale: no returns
A
Retailer 5
-
€6,188 EUR
$6,940 USD
View
A
Retailer 6
-
€6,196 EUR
$6,950 USD
View
Retailer 7
-
€6,196 EUR
$6,950 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
€7,321 EUR
$8,211 USD
View
A
Retailer 9
-
€7,356 EUR
$8,251 USD
View
A
Retailer 10
-
€7,497 EUR
$8,409 USD
View
A
Retailer 11
-
€7,699 EUR
£6,799 GBP
View
B+
Retailer 12
-
€9,132 EUR
$10,242 USD
View
B+
Retailer 13
-
€11,281 EUR
View
B+
Retailer 14
-
€12,609 EUR
£11,136 GBP
View
B+
Retailer 15
-
€13,189 EUR
ZAR 238,979 ZAR
View
B+
Retailer 16
-
€13,694 EUR
A$23,630 AUD
View
B
Retailer 17
-
€15,765 EUR
$17,682 USD
View
B
Retailer 18
-
€17,240 EUR
$19,337 USD
View
B
Retailer 19
-
€19,766 EUR
$22,170 USD
View
Most Expensive
B
Taylor and Hart
QQGZQ6G · Oct 31
€21,629 EUR
$24,259 USD
View
19 more retailers have this diamond
Prices start from €5,342 EURSave up to €16,286 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
4.53ct Heart
€5,342 EUR