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Heart|Lab Grown|IGI

2.51ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG778640554

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG778640554

Diamond specifications and retailer prices

From €1,052 EUR
$1,175 USD
As of October 30, 2026
Save €8,284 EUR (89%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €9,336 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 2.51ct lab-grown heart diamond

This 2.51ct lab-grown heart sits in the two to three carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778640554 or 778640554. Listed at 9 retailers as of October 30, 2026, with prices from €1,052 to €9,336, a €8,284 spread on the same certified stone. Do Amore Diamonds lists it at €9,336. 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

2.51
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778640554
Dimensions8.35 × 9.52 × 5.28 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
8.35 mm9.52 mm2.51 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778640554
Side View
Table 55.0%Crown 36.8°Girdle: ThickPavilion 35.9°Culet: NoneDepth 55.5%

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: €9,336 EUR|Low: €1,052 EUR|High: €13,282 EUR|Avg: €5,668 EUR|-16.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 10€1,052 EUR
Retailer 7€1,145 EUR
Retailer 11€1,937 EUR
Retailer 6€1,938 EUR
Retailer 9€2,352 EUR
Retailer 8€2,524 EUR
Retailer 13€3,635 EUR
Retailer 12€4,350 EUR
Retailer 3€5,200 EUR
Retailer 2€5,890 EUR
Do Amore Diamonds€9,336 EUR
Retailer 4€10,164 EUR
Retailer 5€13,282 EUR

25 data points across 13 retailers

9 retailers€1,052 EUR to €9,336 EUR

A
Cheapest Retailer
-
€1,052 EUR
$1,175 USD
A
Retailer 2
-
€1,145 EUR
$1,279 USD
View
A
Retailer 3
-
€1,937 EUR
$2,164 USD
View
A
Retailer 4
-
€1,938 EUR
$2,165 USD
View
A
Retailer 5
-
€2,352 EUR
$2,628 USD
View
B+
Retailer 6
-
€2,524 EUR
$2,820 USD
View
Retailer 7
-
€4,350 EUR
£3,827 GBP
View
Price last confirmed 13 days ago
B
Retailer 8
-
€5,890 EUR
$6,580 USD
View
Most Expensive
B
Do Amore Diamonds
27-2E5893259 · Oct 31
€9,336 EUR
$10,430 USD
View
8 more retailers have this diamond
Prices start from €1,052 EURSave up to €8,284 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
2.51ct Heart
€1,052 EUR