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Heart|Lab Grown|IGI

4.73ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG739586955

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG739586955

Diamond specifications and retailer prices

From €5,242 EUR
$5,880 USD
As of November 2, 2026
Save €16,047 EUR (75%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €21,289 EUR at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.73ct lab-grown heart diamond

This 4.73ct 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 LG739586955 or 739586955. Listed at 22 retailers as of October 31, 2026, with prices from €5,242 to €21,289, a €16,047 spread on the same certified stone. Taylor and Hart lists it at €21,289. 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

4.73
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739586955
Dimensions11.94 × 10.33 × 6.23 mm
L/W Ratio1.16
Girdle conditionFaceted
Culet sizePointed
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
11.94 mm10.33 mm4.73 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739586955
Side View
Table 55.0%Crown 37.5°Girdle: STK-THKPavilion 34.1°Culet: NoneDepth 52.2%

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: €12,374 EUR|Low: €5,033 EUR|High: €21,282 EUR|Avg: €10,354 EUR
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
November 1, 2026
Retailer 17€5,242 EUR
Retailer 5€5,494 EUR
Retailer 7€5,560 EUR
Retailer 8€5,870 EUR
Retailer 16€6,076 EUR
Retailer 2€6,081 EUR
Retailer 4€7,219 EUR
Retailer 15€7,358 EUR
Retailer 12€7,757 EUR
Retailer 9€7,780 EUR
Retailer 3€9,387 EUR
Retailer 1€12,374 EUR
Retailer 14€12,943 EUR
Retailer 11€13,431 EUR
Retailer 18€14,670 EUR
Retailer 13€15,897 EUR
Retailer 10€16,918 EUR
Retailer 6€21,148 EUR

30 data points across 18 retailers

22 retailers€5,242 EUR to €21,289 EUR

A
Cheapest Retailer
-
€5,242 EUR
$5,880 USD
A
Retailer 2
-
€5,494 EUR
$6,162 USD
View
A
Retailer 3
-
€5,560 EUR
$6,236 USD
View
A
Retailer 4
-
€5,870 EUR
$6,584 USD
View
Final sale: no returns
A
Retailer 5
-
€6,076 EUR
$6,815 USD
View
A
Retailer 6
-
€6,081 EUR
$6,821 USD
View
Retailer 7
-
€6,081 EUR
$6,821 USD
View
Price last confirmed 17 days ago
A
Retailer 8
-
€7,219 EUR
$8,097 USD
View
A
Retailer 9
-
€7,304 EUR
HK$64,000 HKD
View
A
Retailer 10
-
€7,358 EUR
$8,253 USD
View
A
Retailer 11
-
€7,757 EUR
£6,850 GBP
View
A
Retailer 12
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€7,780 EUR
$8,726 USD
View
B+
Retailer 13
-
€9,387 EUR
$10,528 USD
View
B+
Retailer 14
-
€12,374 EUR
£10,928 GBP
View
B+
Retailer 15
-
€12,943 EUR
ZAR 234,525 ZAR
View
B+
Retailer 16
-
€13,431 EUR
A$23,176 AUD
View
B
Retailer 17
-
€14,670 EUR
$16,454 USD
View
B+
Retailer 18
-
€15,462 EUR
$17,342 USD
View
B+
Retailer 19
-
€15,897 EUR
$17,830 USD
View
B
Retailer 20
-
€16,918 EUR
$18,975 USD
View
B
Retailer 21
-
€21,148 EUR
SGD 32,053 SGD
View
Most Expensive
B
Taylor and Hart
NTN87LX · Oct 31
€21,289 EUR
$23,878 USD
View
21 more retailers have this diamond
Prices start from €5,242 EURSave up to €16,047 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
4.73ct Heart
€5,242 EUR