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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 $644 SGD
$504 USD
As of October 29, 2026
Save $4,997 SGD (89%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,642 SGD 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 $644 to $5,642, a $4,997 spread on the same certified stone. Helzberg Diamonds lists it at $5,642. 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
Colour
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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,642 SGD|Low: $628 SGD|High: $5,642 SGD|Avg: $1,901 SGD
Helzberg Diamonds
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
October 30, 2026
Retailer 8$644 SGD
Retailer 9$683 SGD
Retailer 11$720 SGD
Retailer 14$1,044 SGD
Retailer 10$1,065 SGD
Retailer 12$1,131 SGD
Retailer 2$1,226 SGD
Retailer 5$1,424 SGD
Retailer 4$1,759 SGD
Retailer 3$1,873 SGD
Retailer 13$2,237 SGD
Retailer 6$2,814 SGD
Retailer 7$4,404 SGD
Helzberg Diamonds$5,642 SGD

34 data points across 14 retailers

5 retailers$644 SGD to $5,642 SGD

A
Cheapest Retailer
-
$644 SGD
$504 USD
Final sale: no returns
A
Retailer 2
-
$1,226 SGD
£755 GBP
View
Retailer 3
-
$1,424 SGD
ZAR 17,994 ZAR
View
Price last confirmed 65 days ago
B
Retailer 4
-
$4,404 SGD
$3,445 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOGLMOLIJL · Oct 28
$5,642 SGD
$4,413 USD
View
4 more retailers have this diamond
Prices start from $644 SGDSave up to $4,997 SGD

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
$644 SGD