CaratHunter
Plans
Heart|Lab Grown|IGI

3.78ct E VVS2 Heart Lab Grown Diamond

ID • E/VVS2 • IGI LG770665521

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG770665521

Diamond specifications and retailer prices

From $600 USD
As of October 27, 2026
Save $7,770 USD (93%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $8,370 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.78ct lab-grown heart diamond

This 3.78ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG770665521 or 770665521. Listed at 22 retailers as of October 27, 2026, with prices from $600 to $8,370, a $7,770 spread on the same certified stone. Brilliant Earth lists it at $8,370. 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
E
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770665521
Dimensions9.73 × 10.66 × 6.41 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.73 mm10.66 mm3.78 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770665521
Side View
Table 57.0%Crown 33.9°Girdle: MED-STKPavilion 42.2°Culet: NoneDepth 60.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $8,370 USD|Low: $592 USD|High: $8,640 USD|Avg: $1,911 USD|-3.1%
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 4$600 USD
Retailer 5$672 USD
Retailer 9$765 USD
Retailer 10$765 USD
Retailer 8$885 USD
Retailer 15$985 USD
Retailer 12$1,045 USD
Retailer 16$1,161 USD
Retailer 2$1,284 USD
Retailer 13$1,617 USD
Retailer 6$1,626 USD
Retailer 7$1,663 USD
Retailer 17$1,925 USD
Retailer 14$1,958 USD
Retailer 18$2,376 USD
Retailer 3$2,407 USD
Retailer 11$3,249 USD
Brilliant Earth$8,370 USD

34 data points across 18 retailers

22 retailers$600 USD to $8,370 USD

A
Cheapest Retailer
-
$600 USD
A
Retailer 2
-
$672 USD
View
Final sale: no returns
A
Retailer 3
-
$755 USD
View
Price last confirmed 34 days ago
A
Retailer 4
-
$765 USD
View
A
Retailer 5
-
$765 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$885 USD
View
B+
Retailer 7
-
$985 USD
View
A
Retailer 8
-
$1,045 USD
View
A
Retailer 9
-
$1,161 USD
£914 GBP
View
A
Retailer 10
-
$1,284 USD
€1,223 EUR
View
A
Retailer 11
-
$1,617 USD
ZAR 26,117 ZAR
View
A
Retailer 12
-
$1,626 USD
A$2,501 AUD
View
Price last confirmed 8 days ago
A
Retailer 13
-
$1,663 USD
View
B+
Retailer 14
-
$1,925 USD
View
B+
Retailer 15
-
$1,958 USD
View
B+
Retailer 16
-
$2,230 USD
View
B+
Retailer 17
-
$2,259 USD
A$3,475 AUD
View
Price last confirmed 153 days ago
B+
Retailer 18
-
$2,376 USD
View
B+
Retailer 19
-
$2,407 USD
View
B+
Retailer 20
-
$2,530 USD
View
B+
Retailer 21
-
$3,249 USD
£2,558 GBP
View
Most Expensive
B
Brilliant Earth
17548752A · Oct 28
$8,370 USD
View
21 more retailers have this diamond
Prices start from $600 USDSave up to $7,770 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
3.78ct Heart
$600 USD