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Round|Lab Grown|IGI

3.51ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG619434038

Shape and cutting style on the report: Round brilliant

Certificate IGI LG619434038

Diamond specifications and retailer prices

From $518 SGD
$405 USD
As of October 26, 2026
Save $4,073 SGD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,591 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.51ct lab-grown round diamond

This 3.51ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG619434038 or 619434038. Listed at 12 retailers as of October 26, 2026, with prices from $518 to $4,591, a $4,073 spread on the same certified stone. Do Amore Diamonds lists it at $4,591. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG619434038
Dimensions9.91 × 9.84 × 5.90 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
9.91 mm9.84 mm3.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG619434038
Side View
Table 59.0%Crown 33.9°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 59.8%

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 26
Current: $4,591 SGD|Low: $428 SGD|High: $4,758 SGD|Avg: $1,726 SGD|-3.5%
Do Amore 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
Retailer 15
October 29, 2026
Retailer 15$518 SGD
Retailer 10$579 SGD
Retailer 4$600 SGD
Retailer 8$991 SGD
Retailer 9$1,017 SGD
Retailer 13$1,017 SGD
Retailer 7$1,139 SGD
Retailer 5$1,269 SGD
Retailer 6$1,336 SGD
Retailer 14$1,644 SGD
Retailer 11$1,799 SGD
Retailer 12$2,276 SGD
Retailer 2$2,615 SGD
Retailer 3$3,108 SGD
Do Amore Diamonds$4,591 SGD

28 data points across 15 retailers

12 retailers$518 SGD to $4,591 SGD

A
Cheapest Retailer
-
$518 SGD
$405 USD
A
Retailer 2
-
$579 SGD
$453 USD
View
A
Retailer 3
-
$600 SGD
$469 USD
View
Final sale: no returns
A
Retailer 4
-
$991 SGD
£610 GBP
View
B+
Retailer 5
-
$1,017 SGD
$795 USD
View
A
Retailer 6
-
$1,017 SGD
$795 USD
View
B+
Retailer 7
-
$1,644 SGD
$1,286 USD
View
Retailer 8
-
$1,799 SGD
$1,407 USD
View
Price last confirmed 7 days ago
B
Retailer 9
-
$2,276 SGD
$1,780 USD
View
B
Retailer 10
-
$2,615 SGD
£1,610 GBP
View
B
Retailer 11
-
$3,108 SGD
$2,430 USD
View
Most Expensive
B
Do Amore Diamonds
27-E1E1CCB9A · Oct 29
$4,591 SGD
$3,590 USD
View
11 more retailers have this diamond
Prices start from $518 SGDSave up to $4,073 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
$518 SGD