Heart|Lab Grown|IGI

3.13ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG817695370

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG817695370

Diamond specifications and retailer prices

From $2,296 USD
As of October 30, 2026
Save $7,873 USD (77%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $14,290 USD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 3.13ct lab-grown heart diamond

This 3.13ct 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 LG817695370 or 817695370. Listed at 21 retailers as of October 30, 2026, with a 343% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.13
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817695370
Dimensions8.35 × 10.06 × 6.08 mm
L/W Ratio1.20
Girdle conditionFaceted
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 mm10.06 mm3.13 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817695370
Side View
Table 58.0%Crown 37.3°Girdle: MED-STKPavilion 39°Culet: NoneDepth 60.4%

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: $9,700 USD|Low: $2,296 USD|High: $13,860 USD|Avg: $5,591 USD|-30.0%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 18
Retailer 19
October 31, 2026
Retailer 6$2,296 USD
Retailer 19$2,498 USD
Retailer 2$2,570 USD
Retailer 16$2,663 USD
Retailer 5$2,767 USD
Retailer 15$2,825 USD
Retailer 11$2,909 USD
Retailer 18$3,437 USD
Retailer 17$3,660 USD
Retailer 12$3,666 USD
Retailer 9$3,720 USD
Retailer 8$4,155 USD
Retailer 13$6,183 USD
Retailer 7$7,037 USD
Retailer 14$7,263 USD
Retailer 10$9,283 USD
Retailer 3$9,301 USD
Brilliant Earth$9,700 USD
Retailer 4$10,169 USD

27 data points across 19 retailers

21 retailers$2,296 USD to $10,169 USD

A
Cheapest Retailer
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$2,296 USD
A
Retailer 2
-
$2,498 USD
View
A
Retailer 3
-
$2,570 USD
View
Final sale: no returns
A
Retailer 4
-
$2,663 USD
View
A
Retailer 5
-
$2,767 USD
View
A
Retailer 6
-
$2,825 USD
View
Retailer 7
-
$2,909 USD
View
Price last confirmed 19 days ago
A
Retailer 8
-
$3,437 USD
View
A
Retailer 9
-
$3,660 USD
View
A
Retailer 10
-
$3,666 USD
£2,887 GBP
View
A
Retailer 11
-
$3,720 USD
View
B+
Retailer 12
-
$4,155 USD
View
B+
Retailer 13
-
$6,183 USD
ZAR 99,894 ZAR
View
B+
Retailer 14
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$6,905 USD
View
B+
Retailer 15
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$7,037 USD
View
B+
Retailer 16
-
$7,263 USD
£5,719 GBP
View
B+
Retailer 17
-
$9,283 USD
SGD 12,544 SGD
View
B+
Retailer 18
-
$9,301 USD
View
B+
Retailer 19
-
$9,700 USD
View
B
Retailer 20
-
$10,169 USD
View
Most Expensive
Brilliant Earth
20879677A · Sep 28
$14,290 USD
View
Price last confirmed 33 days ago
20 more retailers have this diamond
Prices start from $2,296 USDSave up to $7,873 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
3.13ct Heart
$2,296 USD