Emerald|Lab Grown|IGI

3.78ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG731581407

Certificate IGI LG731581407

Diamond specifications and retailer prices

From $2,398 USD
Save $14,582 USD (86%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $16,980 USD at Brilliant Earth
View at Brilliant Earth

About this 3.78ct lab-grown emerald diamond

This 3.78ct lab-grown emerald 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 LG731581407 or 731581407. Listed at 15 retailers, with prices from $2,398 to $16,980 at Brilliant Earth, a $14,582 spread on the same certified stone. 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

3.78
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731581407
Dimensions10.48 × 7.41 × 4.81 mm
L/W Ratio1.41
Culet sizeLarge
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
10.48 mm7.41 mm3.78 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731581407
Side View
Table 61.0%Crown 31.2°Girdle: MediumPavilion 41.6°Culet: LargeDepth 64.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $16,980 USD|Low: $1,917 USD|High: $19,055 USD|Avg: $8,053 USD
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 11
Retailer 12
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Retailer 14
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Retailer 18
September 26, 2026
Retailer 12$2,398 USD
Retailer 14$2,685 USD
Retailer 13$2,743 USD
Retailer 2$2,781 USD
Retailer 15$2,945 USD
Retailer 18$3,502 USD
Retailer 17$3,906 USD
Retailer 3$4,359 USD
Retailer 5$5,696 USD
Retailer 9$5,880 USD
Retailer 16$6,100 USD
Retailer 6$7,142 USD
Retailer 11$8,025 USD
Retailer 10$8,363 USD
Retailer 8$10,489 USD
Retailer 4$16,500 USD
Brilliant Earth$16,980 USD
Retailer 7$19,055 USD

18 data points across 18 retailers

15 retailers$2,398 USD to $16,980 USD

A
Cheapest Retailer
-
$2,398 USD
A
Retailer 2
-
$2,609 USD
View
A
Retailer 3
-
$2,685 USD
View
A
Retailer 4
-
$2,743 USD
View
A
Retailer 5
-
$2,781 USD
View
A
Retailer 6
-
$2,945 USD
View
A
Retailer 7
-
$3,502 USD
View
A
Retailer 8
-
$3,906 USD
View
A
Retailer 9
-
$4,359 USD
View
B+
Retailer 10
-
$6,100 USD
View
Price last confirmed 22 days ago
B+
Retailer 11
-
$6,657 USD
View
Price last confirmed 69 days ago
B+
Retailer 12
-
$8,025 USD
View
B
Retailer 13
-
$16,500 USD
View
B
Retailer 14
-
$16,980 USD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
20194394Y · Oct 1
$16,980 USD
View
14 more retailers have this diamond
Prices start from $2,398 USDSave up to $14,582 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.

A
3.78ct Emerald
$2,398 USD