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Round|Lab Grown|IGI

1.05ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG764604591

Shape and cutting style on the report: Round brilliant

Certificate IGI LG764604591

Diamond specifications and retailer prices

From $178 SGD
As of November 5, 2026
Save $1,098 SGD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,276 SGD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG764604591 or 764604591. Listed at 20 retailers as of November 4, 2026, with prices from $178 to $1,276, a $1,098 spread on the same certified stone. Reve Diamonds lists it at $1,276. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764604591
Dimensions6.51 × 6.48 × 4.05 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.51 mm6.48 mm1.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764604591
Side View
Table 56.0%Crown 35.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.3%

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: Nov 5
Current: $368 SGD|Low: $172 SGD|High: $1,282 SGD|Avg: $521 SGD|+4.7%
Retailer 1
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
Retailer 17
Retailer 18
Reve Diamonds
November 6, 2026
Retailer 18$178 SGD
Retailer 4$198 SGD
Retailer 16$206 SGD
Retailer 5$220 SGD
Retailer 17$220 SGD
Retailer 1$368 SGD
Retailer 10$369 SGD
Retailer 14$392 SGD
Retailer 6$411 SGD
Retailer 13$521 SGD
Retailer 15$524 SGD
Retailer 12$562 SGD
Retailer 7$612 SGD
Retailer 9$626 SGD
Retailer 3$631 SGD
Retailer 2$708 SGD
Retailer 8$778 SGD
Retailer 11$1,026 SGD
Reve Diamonds$1,276 SGD

42 data points across 19 retailers

20 retailers$178 SGD to $1,276 SGD

A
Cheapest Retailer
-
$178 SGD
A
Retailer 2
-
$198 SGD
View
Final sale: no returns
A
Retailer 3
-
$206 SGD
View
Retailer 4
-
$220 SGD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$220 SGD
View
A
Retailer 6
-
$368 SGD
View
A
Retailer 7
-
$369 SGD
View
A
Retailer 8
-
$392 SGD
View
A
Retailer 9
-
$411 SGD
View
B+
Retailer 10
-
$521 SGD
View
Retailer 11
-
$524 SGD
View
Price last confirmed 12 days ago
Retailer 12
-
$552 SGD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
$562 SGD
View
B
Retailer 14
-
$612 SGD
View
B+
Retailer 15
-
$626 SGD
View
B+
Retailer 16
-
$631 SGD
View
B
Retailer 17
-
$708 SGD
View
B
Retailer 18
-
$778 SGD
View
B
Retailer 19
-
$1,026 SGD
View
Most Expensive
B
Reve Diamonds
E37388FB0 · Nov 4
$1,276 SGD
$999 USD
View
19 more retailers have this diamond
Prices start from $178 SGDSave up to $1,098 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
1.05ct Round
$178 SGD