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3.51ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG622474286

Shape and cutting style on the report: Round brilliant

Certificate IGI LG622474286

Diamond specifications and retailer prices

From $946 SGD
$740 USD
As of October 31, 2026
Save $2,465 SGD (72%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,411 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 3.51ct lab-grown round diamond

This 3.51ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG622474286 or 622474286. Listed at 10 retailers as of October 31, 2026, with prices from $946 to $3,411, a $2,465 spread on the same certified stone. MOH London lists it at $3,411. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.51
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG622474286
Dimensions9.80 × 9.76 × 5.83 mm
L/W Ratio1.00
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
9.80 mm9.76 mm3.51 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG622474286
Side View
Table 62.0%Crown 35.4°Girdle: MediumPavilion 40.3°Culet: NoneDepth 59.7%

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 31
Current: $3,411 SGD|Low: $456 SGD|High: $3,452 SGD|Avg: $1,766 SGD|-1.2%
MOH London
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
Retailer 15
November 1, 2026
Retailer 3$456 SGD
Retailer 7$813 SGD
Retailer 10$817 SGD
Retailer 12$946 SGD
Retailer 8$1,262 SGD
Retailer 15$1,267 SGD
Retailer 2$1,273 SGD
Retailer 5$1,321 SGD
Retailer 11$2,108 SGD
Retailer 9$2,149 SGD
Retailer 4$2,459 SGD
Retailer 14$2,658 SGD
Retailer 6$2,778 SGD
Retailer 13$3,008 SGD
MOH London$3,411 SGD

24 data points across 15 retailers

10 retailers$946 SGD to $3,411 SGD

Retailer 1
-
$817 SGD
$639 USD
Price last confirmed 16 days ago
A
Retailer 2
-
$946 SGD
$740 USD
View
A
Retailer 3
-
$1,262 SGD
£777 GBP
View
B+
Retailer 4
-
$1,267 SGD
$991 USD
View
A
Retailer 5
-
$1,273 SGD
£784 GBP
View
B
Retailer 6
-
$2,108 SGD
$1,649 USD
View
B
Retailer 7
-
$2,149 SGD
$1,681 USD
View
B
Retailer 8
-
$2,658 SGD
$2,079 USD
View
B
Retailer 9
-
$3,008 SGD
$2,353 USD
View
Most Expensive
B
MOH London
LG622474286 · Nov 1
$3,411 SGD
£2,101 GBP
View
9 more retailers have this diamond
Prices start from $946 SGDSave up to $2,465 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
3.51ct Round
$946 SGD