Oval|Lab Grown|IGI

3.78ct G VVS2 Oval Lab Grown Diamond

EX • G/VVS2 • IGI LG807697443

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG807697443

Diamond specifications and retailer prices

From $510 USD
As of October 29, 2026
Save $3,390 USD (87%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,900 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.78ct lab-grown oval diamond

This 3.78ct lab-grown oval sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG807697443 or 807697443. Listed at 5 retailers as of October 29, 2026, with prices from $510 to $3,900, a $3,390 spread on the same certified stone. Brilliant Earth lists it at $3,900. 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
G
Color
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807697443
Dimensions12.38 × 8.83 × 5.43 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.38 mm8.83 mm3.78 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807697443
Side View
Table 61.0%Crown 34.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $3,900 USD|Low: $504 USD|High: $4,020 USD|Avg: $1,819 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 3$510 USD
Retailer 6$690 USD
Retailer 8$830 USD
Retailer 2$979 USD
Retailer 5$1,351 USD
Retailer 9$1,468 USD
Retailer 7$1,783 USD
Retailer 10$2,256 USD
Retailer 4$3,445 USD
Brilliant Earth$3,900 USD

37 data points across 10 retailers

5 retailers$510 USD to $3,900 USD

A
Cheapest Retailer
-
$510 USD
Final sale: no returns
A
Retailer 2
-
$979 USD
£771 GBP
View
Retailer 3
-
$1,351 USD
View
Price last confirmed 44 days ago
B
Retailer 4
-
$3,445 USD
View
Most Expensive
B
Brilliant Earth
20367364A · Oct 30
$3,900 USD
View
4 more retailers have this diamond
Prices start from $510 USDSave up to $3,390 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 Oval
$510 USD