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Round|Lab Grown|IGI

3.90ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG633486187

Shape and cutting style on the report: Round brilliant

Certificate IGI LG633486187

Diamond specifications and retailer prices

From $1,796 SGD
CA$1,952 CAD
As of October 30, 2026
Save $796 SGD (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,593 SGD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.9ct lab-grown round diamond

This 3.9ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG633486187 or 633486187. Listed at 2 retailers as of October 30, 2026, with prices from $1,796 to $2,593, a $796 spread on the same certified stone. The Diamond Guys lists it at $2,593. 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

3.90
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG633486187
Dimensions10.21 × 10.15 × 6.14 mm
L/W Ratio1.01
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
10.21 mm10.15 mm3.90 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG633486187
Side View
Table 59.0%Crown 34.1°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $3,098 SGD|Low: $386 SGD|High: $4,526 SGD|Avg: $1,898 SGD|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
August 3, 2026
Retailer 4$997 SGD
Retailer 7$1,089 SGD
Retailer 11$1,235 SGD
Retailer 2$1,290 SGD
Retailer 5$1,517 SGD
Retailer 10$1,526 SGD
Retailer 6$1,619 SGD
Retailer 8$1,796 SGD
Retailer 9$2,211 SGD
Retailer 3$2,359 SGD
The Diamond Guys$2,593 SGD
Retailer 1$3,098 SGD
Retailer 12$4,065 SGD

61 data points across 13 retailers

2 retailers$1,796 SGD to $2,593 SGD

B+
Cheapest Retailer
-
$1,796 SGD
CA$1,952 CAD
Most Expensive
B
The Diamond Guys
1954433950 · Oct 30
$2,593 SGD
$2,028 USD
View
1 more retailer has this diamond
Prices start from $1,796 SGDSave up to $796 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.

B+
3.90ct Round
$1,796 SGD