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Round|Lab Grown|IGI

1.05ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG780647301

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780647301

Diamond specifications and retailer prices

From $204 SGD
As of November 1, 2026
Save $1,156 SGD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,360 SGD at Reve Diamonds · As of November 1, 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 LG780647301 or 780647301. Listed at 19 retailers as of November 1, 2026, with prices from $204 to $1,360, a $1,156 spread on the same certified stone. Reve Diamonds lists it at $1,360. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780647301
Dimensions6.61 × 6.63 × 3.96 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.61 mm6.63 mm1.05 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780647301
Side View
Table 59.0%Crown 32.2°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 59.8%

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: Nov 1
Current: $432 SGD|Low: $195 SGD|High: $1,360 SGD|Avg: $555 SGD|+9.7%
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
Reve Diamonds
November 3, 2026
Retailer 11$204 SGD
Retailer 7$229 SGD
Retailer 15$236 SGD
Retailer 2$253 SGD
Retailer 12$253 SGD
Retailer 5$377 SGD
Retailer 1$432 SGD
Retailer 9$443 SGD
Retailer 6$459 SGD
Retailer 8$492 SGD
Retailer 13$524 SGD
Retailer 14$812 SGD
Retailer 4$858 SGD
Retailer 3$869 SGD
Retailer 10$1,182 SGD
Reve Diamonds$1,360 SGD

36 data points across 16 retailers

19 retailers$204 SGD to $1,360 SGD

A
Cheapest Retailer
-
$204 SGD
A
Retailer 2
-
$229 SGD
View
Final sale: no returns
A
Retailer 3
-
$236 SGD
View
Retailer 4
-
$253 SGD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$253 SGD
View
A
Retailer 6
-
$261 SGD
View
A
Retailer 7
-
$377 SGD
View
B+
Retailer 8
-
$432 SGD
View
B+
Retailer 9
-
$443 SGD
View
B+
Retailer 10
-
$459 SGD
View
B+
Retailer 11
-
$492 SGD
View
Retailer 12
-
$524 SGD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
$565 SGD
View
B
Retailer 14
-
$812 SGD
View
B
Retailer 15
-
$858 SGD
View
B
Retailer 16
-
$869 SGD
View
B
Retailer 17
-
$883 SGD
View
B
Retailer 18
-
$1,182 SGD
View
Most Expensive
B
Reve Diamonds
911778019 · Nov 1
$1,360 SGD
$1,065 USD
View
18 more retailers have this diamond
Prices start from $204 SGDSave up to $1,156 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
$204 SGD