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Round|Lab Grown|IGI

3.61ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG608366181

Shape and cutting style on the report: Round brilliant

Certificate IGI LG608366181

Diamond specifications and retailer prices

From $1,113 SGD
€829 EUR
As of October 29, 2026
Save $2,531 SGD (69%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,643 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.61ct lab-grown round diamond

This 3.61ct 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 LG608366181 or 608366181. Listed at 14 retailers as of October 29, 2026, with prices from $1,113 to $3,643, a $2,531 spread on the same certified stone. Brilliant Earth lists it at $3,643. 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

3.61
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608366181
Dimensions9.83 × 9.80 × 6.07 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.83 mm9.80 mm3.61 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608366181
Side View
Table 57.0%Crown 35.6°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.8%

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 29
Current: $3,643 SGD|Low: $689 SGD|High: $3,874 SGD|Avg: $1,633 SGD|-5.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3$689 SGD
Retailer 11$933 SGD
Retailer 5$1,113 SGD
Retailer 7$1,138 SGD
Retailer 10$1,255 SGD
Retailer 8$1,295 SGD
Retailer 2$1,344 SGD
Retailer 9$1,501 SGD
Retailer 6$2,089 SGD
Retailer 4$3,397 SGD
Brilliant Earth$3,643 SGD

37 data points across 11 retailers

14 retailers$1,113 SGD to $3,643 SGD

Retailer 1
-
$556 SGD
$435 USD
Price last confirmed 37 days ago
Retailer 2
-
$623 SGD
$487 USD
View
Price last confirmed 37 days ago
Retailer 3
-
$680 SGD
$532 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$933 SGD
£575 GBP
View
Price last confirmed 22 days ago
A
Retailer 5
-
$1,113 SGD
€829 EUR
View
B+
Retailer 6
-
$1,138 SGD
$890 USD
View
B+
Retailer 7
-
$1,255 SGD
$982 USD
View
A
Retailer 8
-
$1,295 SGD
$1,013 USD
View
B+
Retailer 9
-
$1,344 SGD
£828 GBP
View
B+
Retailer 10
-
$1,501 SGD
$1,174 USD
View
B
Retailer 11
-
$2,089 SGD
$1,634 USD
View
Retailer 12
-
$2,217 SGD
$1,734 USD
View
Price last confirmed 34 days ago
B
Retailer 13
-
$3,397 SGD
£2,092 GBP
View
Most Expensive
B
Brilliant Earth
8695424A · Oct 29
$3,643 SGD
$2,850 USD
View
13 more retailers have this diamond
Prices start from $1,113 SGDSave up to $2,531 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
3.61ct Round
$1,113 SGD