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Heart|Lab Grown|IGI

3.10ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG615341592

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG615341592

Diamond specifications and retailer prices

From $1,505 USD
As of October 31, 2026
Save $8,175 USD (84%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $9,680 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.1ct lab-grown heart diamond

This 3.1ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG615341592 or 615341592. Listed at 24 retailers as of October 31, 2026, with prices from $1,505 to $9,680, a $8,175 spread on the same certified stone. Brilliant Earth lists it at $9,680. 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

3.10
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615341592
Dimensions9.44 × 9.86 × 5.81 mm
L/W Ratio1.04
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
9.44 mm9.86 mm3.10 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615341592
Side View
Table 59.0%Crown 36.3°Girdle: MED-THKPavilion 38.9°Culet: NoneDepth 58.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $9,680 USD|Low: $1,505 USD|High: $12,580 USD|Avg: $3,780 USD|-23.1%
Brilliant Earth
Retailer 2
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Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
November 1, 2026
Retailer 13$1,505 USD
Retailer 9$1,674 USD
Retailer 14$1,730 USD
Retailer 8$1,862 USD
Retailer 10$2,181 USD
Retailer 7$2,345 USD
Retailer 12$2,487 USD
Retailer 15$2,624 USD
Retailer 3$3,074 USD
Retailer 11$3,522 USD
Retailer 16$3,622 USD
Retailer 5$4,040 USD
Retailer 4$4,291 USD
Retailer 17$4,846 USD
Retailer 2$5,011 USD
Retailer 6$5,481 USD
Brilliant Earth$9,680 USD

32 data points across 17 retailers

24 retailers$1,505 USD to $9,680 USD

Retailer 1
-
$1,404 USD
Price last confirmed 24 days ago
A
Retailer 2
-
$1,505 USD
View
Final sale: no returns
Retailer 3
-
$1,570 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$1,628 USD
View
Price last confirmed 29 days ago
Retailer 5
-
$1,628 USD
View
Price last confirmed 19 days ago
Retailer 6
-
$1,651 USD
View
Price last confirmed 37 days ago
A
Retailer 7
-
$1,730 USD
View
A
Retailer 8
-
$1,862 USD
View
A
Retailer 9
-
$2,181 USD
£1,718 GBP
View
A
Retailer 10
-
$2,345 USD
View
A
Retailer 11
-
$2,487 USD
€2,369 EUR
View
A
Retailer 12
-
$2,624 USD
View
A
Retailer 13
-
$2,955 USD
View
Retailer 14
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$3,052 USD
View
Price last confirmed 27 days ago
A
Retailer 15
-
$3,074 USD
View
A
Retailer 16
-
$3,522 USD
A$5,419 AUD
View
A
Retailer 17
-
$3,622 USD
ZAR 58,511 ZAR
View
B+
Retailer 18
-
$4,040 USD
View
B+
Retailer 19
-
$4,204 USD
View
B+
Retailer 20
-
$4,291 USD
View
B+
Retailer 21
-
$4,846 USD
View
B+
Retailer 22
-
$5,011 USD
£3,946 GBP
View
B+
Retailer 23
-
$5,481 USD
View
Most Expensive
B
Brilliant Earth
9264978A · Oct 31
$9,680 USD
View
23 more retailers have this diamond
Prices start from $1,505 USDSave up to $8,175 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
3.10ct Heart
$1,505 USD