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Round|Lab Grown|IGI

3.78ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG620427336

Shape and cutting style on the report: Round brilliant

Certificate IGI LG620427336

Diamond specifications and retailer prices

From $550 SGD
$430 USD
As of October 29, 2026
Save $1,886 SGD (77%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,435 SGD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.78ct lab-grown round diamond

This 3.78ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620427336 or 620427336. Listed at 4 retailers as of October 29, 2026, with prices from $550 to $2,435, a $1,886 spread on the same certified stone. The Diamond Guys lists it at $2,435. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620427336
Dimensions10.04 × 10.00 × 6.17 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.04 mm10.00 mm3.78 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620427336
Side View
Table 56.0%Crown 34.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.6%

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 29
Current: $550 SGD|Low: $409 SGD|High: $4,922 SGD|Avg: $1,976 SGD|-1.6%
Retailer 1
Retailer 2
Retailer 3
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Retailer 5
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 17
The Diamond Guys
October 27, 2026
Retailer 1$550 SGD
Retailer 15$628 SGD
Retailer 17$633 SGD
Retailer 10$637 SGD
Retailer 13$911 SGD
Retailer 14$975 SGD
Retailer 12$994 SGD
Retailer 11$1,024 SGD
Retailer 2$1,629 SGD
Retailer 16$1,671 SGD
Retailer 8$1,841 SGD
Retailer 3$2,075 SGD
The Diamond Guys$2,435 SGD
Retailer 4$2,599 SGD
Retailer 6$3,426 SGD
Retailer 9$3,835 SGD
Retailer 5$4,391 SGD
Retailer 7$4,922 SGD

11 data points across 18 retailers

4 retailers$550 SGD to $2,435 SGD

A
Cheapest Retailer
-
$550 SGD
$430 USD
Final sale: no returns
Retailer 2
-
$628 SGD
$491 USD
View
Price last confirmed 44 days ago
B+
Retailer 3
-
$1,841 SGD
CA$2,001 CAD
View
Most Expensive
B+
The Diamond Guys
1954434151 · Oct 30
$2,435 SGD
$1,905 USD
View
3 more retailers have this diamond
Prices start from $550 SGDSave up to $1,886 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 Round
$550 SGD