Oval|Lab Grown|IGI

3.78ct G VVS2 Oval Lab Grown Diamond

EX • G/VVS2 • IGI LG805685235

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG805685235

Diamond specifications and retailer prices

From $504 USD
As of October 29, 2026
Save $3,909 USD (89%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,413 USD at Helzberg Diamonds · As of October 28, 2026
View at Helzberg Diamonds

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 LG805685235 or 805685235. Listed at 5 retailers as of October 28, 2026, with prices from $504 to $4,413, a $3,909 spread on the same certified stone. Helzberg Diamonds lists it at $4,413. 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 angle37.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805685235
Dimensions12.07 × 8.85 × 5.56 mm
L/W Ratio1.36
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.07 mm8.85 mm3.78 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805685235
Side View
Table 61.0%Crown 37.1°Girdle: MED-THKPavilion 40.5°Culet: NoneDepth 62.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $4,413 USD|Low: $491 USD|High: $4,413 USD|Avg: $1,487 USD
Helzberg Diamonds
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 14
October 30, 2026
Retailer 8$504 USD
Retailer 9$534 USD
Retailer 11$563 USD
Retailer 14$817 USD
Retailer 10$833 USD
Retailer 12$885 USD
Retailer 2$959 USD
Retailer 5$1,114 USD
Retailer 4$1,376 USD
Retailer 3$1,465 USD
Retailer 13$1,749 USD
Retailer 6$2,201 USD
Retailer 7$3,445 USD
Helzberg Diamonds$4,413 USD

34 data points across 14 retailers

5 retailers$504 USD to $4,413 USD

A
Cheapest Retailer
-
$504 USD
Final sale: no returns
A
Retailer 2
-
$959 USD
£755 GBP
View
Retailer 3
-
$1,114 USD
ZAR 17,994 ZAR
View
Price last confirmed 66 days ago
B
Retailer 4
-
$3,445 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOGLMOLIJL · Oct 28
$4,413 USD
View
4 more retailers have this diamond
Prices start from $504 USDSave up to $3,909 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
$504 USD