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Heart|Lab Grown|IGI

3.51ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG792676493

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG792676493

Diamond specifications and retailer prices

From €3,536 EUR
$3,950 USD
As of November 1, 2026
Save €10,544 EUR (75%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €14,080 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.51ct lab-grown heart diamond

This 3.51ct 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 LG792676493 or 792676493. Listed at 15 retailers as of October 31, 2026, with prices from €3,536 to €14,080, a €10,544 spread on the same certified stone. Brilliant Earth lists it at €14,080. 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

3.51
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792676493
Dimensions9.55 × 10.55 × 6.07 mm
L/W Ratio1.10
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
9.55 mm10.55 mm3.51 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792676493
Side View
Table 63.0%Crown 34.9°Girdle: THN-STKPavilion 41.3°Culet: NoneDepth 57.5%

Caratlytics Score

How it works →
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: €14,080 EUR|Low: €3,536 EUR|High: €15,055 EUR|Avg: €7,896 EUR|-6.5%
Brilliant Earth
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
November 1, 2026
Retailer 7€3,536 EUR
Retailer 6€3,952 EUR
Retailer 9€3,969 EUR
Retailer 14€4,274 EUR
Retailer 5€4,713 EUR
Retailer 11€4,837 EUR
Retailer 2€5,354 EUR
Retailer 10€6,369 EUR
Retailer 4€8,510 EUR
Retailer 13€9,158 EUR
Retailer 3€9,175 EUR
Retailer 8€12,837 EUR
Retailer 12€13,548 EUR
Brilliant Earth€14,080 EUR

42 data points across 14 retailers

15 retailers€3,536 EUR to €14,080 EUR

A
Cheapest Retailer
-
€3,536 EUR
$3,950 USD
Retailer 2
-
€3,952 EUR
$4,415 USD
View
Price last confirmed 20 days ago
B+
Retailer 3
-
€3,969 EUR
$4,434 USD
View
B+
Retailer 4
-
€4,274 EUR
HK$37,300 HKD
View
B+
Retailer 5
-
€4,713 EUR
$5,265 USD
View
B+
Retailer 6
-
€4,837 EUR
£4,255 GBP
View
B+
Retailer 7
-
€5,354 EUR
$5,982 USD
View
B+
Retailer 8
-
€6,369 EUR
View
B+
Retailer 9
-
€8,510 EUR
£7,486 GBP
View
B+
Retailer 10
-
€8,741 EUR
$9,766 USD
View
B
Retailer 11
-
€9,158 EUR
$10,231 USD
View
B+
Retailer 12
-
€9,175 EUR
ZAR 165,588 ZAR
View
B
Retailer 13
-
€12,837 EUR
$14,342 USD
View
B
Retailer 14
-
€13,548 EUR
$15,136 USD
View
Most Expensive
B
Brilliant Earth
19356652A · Oct 31
€14,080 EUR
$15,730 USD
View
14 more retailers have this diamond
Prices start from €3,536 EURSave up to €10,544 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
3.51ct Heart
€3,536 EUR