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Heart|Lab Grown|IGI

3.54ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG800611729

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800611729

Diamond specifications and retailer prices

From €3,528 EUR
$3,942 USD
As of October 30, 2026
Save €11,661 EUR (77%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €15,190 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.54ct lab-grown heart diamond

This 3.54ct 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 LG800611729 or 800611729. Listed at 22 retailers as of October 30, 2026, with prices from €3,528 to €15,190, a €11,661 spread on the same certified stone. Brilliant Earth lists it at €15,190. 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

3.54
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800611729
Dimensions10.83 × 9.53 × 6.14 mm
L/W Ratio1.14
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
10.83 mm9.53 mm3.54 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800611729
Side View
Table 60.0%Crown 33.8°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 56.7%

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: Oct 30
Current: €15,190 EUR|Low: €3,387 EUR|High: €16,660 EUR|Avg: €7,502 EUR
Brilliant Earth
Retailer 2
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Retailer 5
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Retailer 15
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Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 5€3,528 EUR
Retailer 2€3,656 EUR
Retailer 10€3,698 EUR
Retailer 11€3,875 EUR
Retailer 6€4,093 EUR
Retailer 8€4,093 EUR
Retailer 4€4,144 EUR
Retailer 9€4,151 EUR
Retailer 18€4,445 EUR
Retailer 3€4,791 EUR
Retailer 13€4,906 EUR
Retailer 7€5,115 EUR
Retailer 21€6,033 EUR
Retailer 20€8,814 EUR
Retailer 19€9,503 EUR
Retailer 17€9,525 EUR
Retailer 12€11,922 EUR
Retailer 16€12,869 EUR
Retailer 15€14,096 EUR
Retailer 14€14,510 EUR
Brilliant Earth€15,190 EUR

41 data points across 21 retailers

22 retailers€3,528 EUR to €15,190 EUR

A
Cheapest Retailer
-
€3,528 EUR
$3,942 USD
A
Retailer 2
-
€3,656 EUR
$4,084 USD
View
Final sale: no returns
A
Retailer 3
-
€3,698 EUR
$4,131 USD
View
B+
Retailer 4
-
€3,875 EUR
$4,329 USD
View
Retailer 5
-
€4,093 EUR
$4,573 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
€4,093 EUR
$4,573 USD
View
B+
Retailer 7
-
€4,144 EUR
$4,630 USD
View
B+
Retailer 8
-
€4,151 EUR
$4,638 USD
View
B+
Retailer 9
-
€4,445 EUR
HK$38,800 HKD
View
B+
Retailer 10
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€4,791 EUR
$5,352 USD
View
B+
Retailer 11
-
€4,906 EUR
£4,316 GBP
View
B+
Retailer 12
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€5,115 EUR
$5,714 USD
View
B+
Retailer 13
-
€6,033 EUR
$6,740 USD
View
B+
Retailer 14
-
€8,814 EUR
£7,754 GBP
View
B+
Retailer 15
-
€9,095 EUR
$10,161 USD
View
B+
Retailer 16
-
€9,503 EUR
ZAR 171,513 ZAR
View
B
Retailer 17
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€9,525 EUR
$10,641 USD
View
B
Retailer 18
-
€11,922 EUR
$13,319 USD
View
B
Retailer 19
-
€12,869 EUR
SGD 19,429 SGD
View
B
Retailer 20
-
€14,096 EUR
$15,748 USD
View
B
Retailer 21
-
€14,510 EUR
$16,211 USD
View
Most Expensive
B
Brilliant Earth
20146769A · Oct 30
€15,190 EUR
$16,970 USD
View
21 more retailers have this diamond
Prices start from €3,528 EURSave up to €11,661 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
3.54ct Heart
€3,528 EUR