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Heart|Lab Grown|IGI

3.31ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG784646951

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG784646951

Diamond specifications and retailer prices

From $2,192 USD
As of October 30, 2026
Save $13,308 USD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $15,500 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.31ct lab-grown heart diamond

This 3.31ct 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 LG784646951 or 784646951. Listed at 12 retailers as of October 30, 2026, with prices from $2,192 to $15,500, a $13,308 spread on the same certified stone. Do Amore Diamonds lists it at $15,500. 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

3.31
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784646951
Dimensions10.10 × 8.89 × 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
10.10 mm8.89 mm3.31 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784646951
Side View
Table 58.0%Crown 36.7°Girdle: Slightly ThickPavilion 39.5°Culet: NoneDepth 60.8%

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: $15,500 USD|Low: $2,192 USD|High: $18,020 USD|Avg: $6,283 USD|-14.0%
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
Retailer 14
October 30, 2026
Retailer 2$2,192 USD
Retailer 13$2,452 USD
Retailer 9$2,639 USD
Retailer 11$2,780 USD
Retailer 14$2,931 USD
Retailer 4$3,094 USD
Retailer 12$3,966 USD
Retailer 10$4,006 USD
Retailer 8$4,082 USD
Retailer 5$5,946 USD
Retailer 7$7,766 USD
Retailer 6$9,853 USD
Retailer 3$14,660 USD
Do Amore Diamonds$15,500 USD

27 data points across 14 retailers

12 retailers$2,192 USD to $15,500 USD

A
Cheapest Retailer
-
$2,192 USD
A
Retailer 2
-
$2,452 USD
View
A
Retailer 3
-
$2,639 USD
View
A
Retailer 4
-
$2,780 USD
View
A
Retailer 5
-
$2,931 USD
View
A
Retailer 6
-
$3,094 USD
View
Final sale: no returns
A
Retailer 7
-
$3,966 USD
View
A
Retailer 8
-
$4,006 USD
View
A
Retailer 9
-
$4,082 USD
View
B+
Retailer 10
-
$7,766 USD
£6,115 GBP
View
B
Retailer 11
-
$14,660 USD
View
Most Expensive
B
Do Amore Diamonds
27-27CD39F0E · Oct 30
$15,500 USD
View
11 more retailers have this diamond
Prices start from $2,192 USDSave up to $13,308 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
3.31ct Heart
$2,192 USD