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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 $1,175 USD
As of October 30, 2026
Save $9,255 USD (89%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $10,430 USD 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 $1,175 to $10,430, a $9,255 spread on the same certified stone. Do Amore Diamonds lists it at $10,430. 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

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: Oct 30
Current: $10,430 USD|Low: $1,175 USD|High: $14,839 USD|Avg: $6,332 USD|-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$1,175 USD
Retailer 7$1,279 USD
Retailer 11$2,164 USD
Retailer 6$2,165 USD
Retailer 9$2,628 USD
Retailer 8$2,820 USD
Retailer 13$4,061 USD
Retailer 12$4,860 USD
Retailer 3$5,810 USD
Retailer 2$6,580 USD
Do Amore Diamonds$10,430 USD
Retailer 4$11,355 USD
Retailer 5$14,839 USD

25 data points across 13 retailers

9 retailers$1,175 USD to $10,430 USD

A
Cheapest Retailer
-
$1,175 USD
A
Retailer 2
-
$1,279 USD
View
A
Retailer 3
-
$2,164 USD
View
A
Retailer 4
-
$2,165 USD
View
A
Retailer 5
-
$2,628 USD
View
B+
Retailer 6
-
$2,820 USD
View
Retailer 7
-
$4,860 USD
£3,827 GBP
View
Price last confirmed 12 days ago
B
Retailer 8
-
$6,580 USD
View
Most Expensive
B
Do Amore Diamonds
27-2E5893259 · Oct 31
$10,430 USD
View
8 more retailers have this diamond
Prices start from $1,175 USDSave up to $9,255 USD

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
$1,175 USD