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Round|Lab Grown|IGI

1.05ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG660459741

Certificate IGI LG660459741

Diamond specifications and retailer prices

From $872 SGD
$680 USD
As of October 28, 2026
Save $551 SGD (39%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,423 SGD at Jared · As of October 28, 2026
View at Jared

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660459741 or 660459741. Listed at 3 retailers as of October 28, 2026, with prices from $872 to $1,423, a $551 spread on the same certified stone. Jared lists it at $1,423. 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

1.05
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG660459741
Dimensions6.47 × 6.50 mm
L/W Ratio1.00
Top View
6.47 mm6.50 mm1.05 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660459741
Side View
Table 55.0%CrownGirdle: MediumPavilionCulet: NoneDepth 62.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $1,423 SGD|Low: $872 SGD|High: $1,423 SGD|Avg: $1,090 SGD
Jared
Retailer 2
Retailer 3
April 27, 2026
Retailer 2$872 SGD
Retailer 3$872 SGD
Jared$1,423 SGD

7 data points across 3 retailers

3 retailers$872 SGD to $1,423 SGD

B
Cheapest Retailer
-
$872 SGD
$680 USD
B
Retailer 2
-
$872 SGD
$680 USD
View
Most Expensive
B
Jared
154726501 · Oct 28
$1,423 SGD
$1,110 USD
View
2 more retailers have this diamond
Prices start from $872 SGDSave up to $551 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.

B
1.05ct Round
$872 SGD