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Round|Lab Grown|IGI

3.56ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG689536418

Shape and cutting style on the report: Round brilliant

Certificate IGI LG689536418

Diamond specifications and retailer prices

From $486 SGD
$379 USD
As of October 29, 2026
Save $1,962 SGD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,448 SGD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.56ct lab-grown round diamond

This 3.56ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG689536418 or 689536418. Listed at 14 retailers as of October 28, 2026, with prices from $486 to $2,448, a $1,962 spread on the same certified stone. Rare Carat lists it at $2,448. 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

3.56
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689536418
Dimensions9.85 × 9.91 × 5.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.85 mm9.91 mm3.56 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689536418
Side View
Table 57.0%Crown 34.4°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 60.7%

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 29
Current: $2,448 SGD|Low: $486 SGD|High: $6,562 SGD|Avg: $1,998 SGD|-27.6%
Rare Carat
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
Retailer 16
October 30, 2026
Retailer 10$486 SGD
Retailer 6$545 SGD
Retailer 5$602 SGD
Retailer 15$673 SGD
Retailer 11$795 SGD
Retailer 2$807 SGD
Retailer 3$959 SGD
Retailer 12$962 SGD
Retailer 14$1,027 SGD
Retailer 9$1,087 SGD
Retailer 16$1,414 SGD
Retailer 4$1,937 SGD
Retailer 13$2,367 SGD
Rare Carat$2,448 SGD
Retailer 7$6,251 SGD
Retailer 8$6,562 SGD

4 data points across 16 retailers

14 retailers$486 SGD to $2,448 SGD

A
Cheapest Retailer
-
$486 SGD
$379 USD
A
Retailer 2
-
$545 SGD
$425 USD
View
A
Retailer 3
-
$602 SGD
$470 USD
View
A
Retailer 4
-
$673 SGD
HK$4,100 HKD
View
A
Retailer 5
-
$795 SGD
$620 USD
View
A
Retailer 6
-
$807 SGD
£496 GBP
View
B+
Retailer 7
-
$959 SGD
$748 USD
View
A
Retailer 8
-
$962 SGD
€715 EUR
View
A
Retailer 9
-
$1,027 SGD
$801 USD
View
A
Retailer 10
-
$1,087 SGD
£668 GBP
View
B+
Retailer 11
-
$1,414 SGD
$1,103 USD
View
B+
Retailer 12
-
$1,937 SGD
$1,511 USD
View
B
Retailer 13
-
$2,367 SGD
£1,454 GBP
View
Most Expensive
B
Rare Carat
KI4185364KF689 · Oct 28
$2,448 SGD
$1,910 USD
View
13 more retailers have this diamond
Prices start from $486 SGDSave up to $1,962 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
3.56ct Round
$486 SGD