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Oval|Lab Grown|IGI

3.05ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG678584096

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584096

Diamond specifications and retailer prices

From $556 SGD
As of November 6, 2026
Save $3,340 SGD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,896 SGD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.05ct lab-grown oval diamond

This 3.05ct lab-grown oval 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 LG678584096 or 678584096. Listed at 18 retailers as of November 6, 2026, with prices from $556 to $3,896, a $3,340 spread on the same certified stone. Brilliant Earth lists it at $3,896. 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

3.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584096
Dimensions11.46 × 8.22 × 5.12 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.46 mm8.22 mm3.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG678584096
Side View
Table 62.0%Crown 36.8°Girdle: THN-STKPavilion 40.7°Culet: NoneDepth 62.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $3,896 SGD|Low: $556 SGD|High: $4,242 SGD|Avg: $1,521 SGD|-8.2%
Brilliant Earth
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
November 6, 2026
Retailer 8$556 SGD
Retailer 7$623 SGD
Retailer 14$643 SGD
Retailer 15$690 SGD
Retailer 9$839 SGD
Retailer 5$871 SGD
Retailer 3$923 SGD
Retailer 16$1,075 SGD
Retailer 2$1,088 SGD
Retailer 10$1,127 SGD
Retailer 6$1,311 SGD
Retailer 13$1,934 SGD
Retailer 4$2,216 SGD
Retailer 12$2,435 SGD
Retailer 11$2,526 SGD
Brilliant Earth$3,896 SGD

40 data points across 16 retailers

18 retailers$556 SGD to $3,896 SGD

A
Cheapest Retailer
-
$556 SGD
A
Retailer 2
-
$623 SGD
View
A
Retailer 3
-
$643 SGD
View
Final sale: no returns
A
Retailer 4
-
$690 SGD
View
Retailer 5
-
$722 SGD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$839 SGD
View
A
Retailer 7
-
$871 SGD
View
B+
Retailer 8
-
$923 SGD
View
A
Retailer 9
-
$1,075 SGD
View
A
Retailer 10
-
$1,088 SGD
View
A
Retailer 11
-
$1,127 SGD
View
B+
Retailer 12
-
$1,311 SGD
View
B+
Retailer 13
-
$1,688 SGD
View
B+
Retailer 14
-
$1,934 SGD
View
B
Retailer 15
-
$2,216 SGD
View
B
Retailer 16
-
$2,435 SGD
View
B
Retailer 17
-
$2,526 SGD
View
Most Expensive
B
Brilliant Earth
17470296A · Nov 6
$3,896 SGD
$3,040 USD
View
17 more retailers have this diamond
Prices start from $556 SGDSave up to $3,340 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
3.05ct Oval
$556 SGD