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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 €539 EUR
$600 USD
As of October 27, 2026
Save €6,981 EUR (93%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €7,520 EUR at Brilliant Earth · As of October 29, 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 €539 to €7,520, a €6,981 spread on the same certified stone. Brilliant Earth lists it at €7,520. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: €7,520 EUR|Low: €532 EUR|High: €7,763 EUR|Avg: €1,794 EUR|-3.1%
Brilliant Earth
Retailer 2
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Retailer 12
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Retailer 19
October 30, 2026
Retailer 7€539 EUR
Retailer 14€629 EUR
Retailer 13€668 EUR
Retailer 11€687 EUR
Retailer 10€795 EUR
Retailer 3€885 EUR
Retailer 17€939 EUR
Retailer 2€1,046 EUR
Retailer 15€1,154 EUR
Retailer 18€1,453 EUR
Retailer 8€1,461 EUR
Retailer 9€1,494 EUR
Retailer 4€1,730 EUR
Retailer 19€1,759 EUR
Retailer 5€2,135 EUR
Retailer 6€2,163 EUR
Retailer 12€2,185 EUR
Retailer 16€2,919 EUR
Brilliant Earth€7,520 EUR

33 data points across 19 retailers

22 retailers€539 EUR to €7,520 EUR

A
Cheapest Retailer
-
€539 EUR
$600 USD
A
Retailer 2
-
€629 EUR
$700 USD
View
Final sale: no returns
A
Retailer 3
-
€668 EUR
$744 USD
View
Retailer 4
-
€678 EUR
$755 USD
View
Price last confirmed 35 days ago
Retailer 5
-
€687 EUR
$765 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
€795 EUR
$885 USD
View
B+
Retailer 7
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€885 EUR
$985 USD
View
A
Retailer 8
-
€939 EUR
$1,045 USD
View
A
Retailer 9
-
€1,046 EUR
£917 GBP
View
A
Retailer 10
-
€1,154 EUR
View
A
Retailer 11
-
€1,453 EUR
ZAR 26,117 ZAR
View
Retailer 12
-
€1,461 EUR
A$2,501 AUD
View
Price last confirmed 9 days ago
A
Retailer 13
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€1,494 EUR
$1,663 USD
View
B+
Retailer 14
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€1,730 EUR
$1,925 USD
View
B+
Retailer 15
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€1,759 EUR
$1,958 USD
View
B+
Retailer 16
-
€2,004 EUR
$2,230 USD
View
Retailer 17
-
€2,029 EUR
A$3,475 AUD
View
Price last confirmed 154 days ago
B+
Retailer 18
-
€2,135 EUR
$2,376 USD
View
B+
Retailer 19
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€2,163 EUR
$2,407 USD
View
B+
Retailer 20
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€2,185 EUR
$2,432 USD
View
B+
Retailer 21
-
€2,919 EUR
£2,558 GBP
View
Most Expensive
B
Brilliant Earth
17548752A · Oct 29
€7,520 EUR
$8,370 USD
View
21 more retailers have this diamond
Prices start from €539 EURSave up to €6,981 EUR

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
€539 EUR