CaratHunter
Plans
Round|Lab Grown|IGI

3.50ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG655449566

Shape and cutting style on the report: Round brilliant

Certificate IGI LG655449566

Diamond specifications and retailer prices

From $491 SGD
$383 USD
As of October 29, 2026
Save $1,900 SGD (79%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,422 SGD at Michael Trio · As of October 13, 2026
View at Michael Trio

About this 3.5ct lab-grown round diamond

This 3.5ct 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 LG655449566 or 655449566. Listed at 9 retailers as of October 29, 2026, with a 387% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.50
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655449566
Dimensions9.74 × 9.70 × 6.03 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 Type IIa
Top View
9.74 mm9.70 mm3.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655449566
Side View
Table 56.0%Crown 35.8°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,422 SGD|Low: $541 SGD|High: $2,864 SGD|Avg: $1,556 SGD|-0.6%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 8$550 SGD
Retailer 2$816 SGD
Retailer 5$976 SGD
Retailer 10$1,025 SGD
Retailer 4$1,414 SGD
Retailer 3$1,480 SGD
Retailer 11$1,574 SGD
Retailer 9$1,707 SGD
Retailer 7$1,711 SGD
Retailer 6$2,391 SGD
Michael Trio$2,422 SGD
Retailer 12$2,864 SGD

37 data points across 12 retailers

9 retailers$491 SGD to $2,391 SGD

A
Cheapest Retailer
-
$491 SGD
$383 USD
A
Retailer 2
-
$550 SGD
$429 USD
View
A
Retailer 3
-
$816 SGD
£501 GBP
View
A
Retailer 4
-
$976 SGD
€725 EUR
View
B+
Retailer 5
-
$1,707 SGD
$1,332 USD
View
B+
Retailer 6
-
$1,711 SGD
$1,335 USD
View
B+
Retailer 7
-
$1,957 SGD
$1,527 USD
View
B+
Retailer 8
-
$2,391 SGD
£1,469 GBP
View
Most Expensive
Michael Trio
1371818661 · Oct 13
$2,422 SGD
View
Price last confirmed 17 days ago
8 more retailers have this diamond
Prices start from $491 SGDSave up to $1,900 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
3.50ct Round
$491 SGD