Oval|Lab Grown|IGI

3.03ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG678584155

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678584155

Diamond specifications and retailer prices

From $552 SGD
As of November 6, 2026
Save $3,318 SGD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,870 SGD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.03ct lab-grown oval diamond

This 3.03ct 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 LG678584155 or 678584155. Listed at 16 retailers as of November 6, 2026, with prices from $552 to $3,870, a $3,318 spread on the same certified stone. Brilliant Earth lists it at $3,870. 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

3.03
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678584155
Dimensions11.42 × 8.31 × 5.04 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.42 mm8.31 mm3.03 ctE / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678584155
Side View
Table 61.0%Crown 34.3°Girdle: MediumPavilion 40.2°Culet: NoneDepth 60.6%

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: Nov 6
Current: $3,870 SGD|Low: $552 SGD|High: $4,204 SGD|Avg: $1,485 SGD|-7.9%
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
November 6, 2026
Retailer 6$552 SGD
Retailer 5$619 SGD
Retailer 11$640 SGD
Retailer 12$686 SGD
Retailer 3$871 SGD
Retailer 14$920 SGD
Retailer 13$1,070 SGD
Retailer 2$1,082 SGD
Retailer 8$1,119 SGD
Retailer 4$1,296 SGD
Retailer 9$1,676 SGD
Retailer 15$2,203 SGD
Retailer 7$2,416 SGD
Retailer 10$2,517 SGD
Brilliant Earth$3,870 SGD

45 data points across 15 retailers

16 retailers$552 SGD to $3,870 SGD

A
Cheapest Retailer
-
$552 SGD
A
Retailer 2
-
$619 SGD
View
A
Retailer 3
-
$640 SGD
View
Final sale: no returns
A
Retailer 4
-
$686 SGD
View
Retailer 5
-
$716 SGD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$871 SGD
View
B+
Retailer 7
-
$920 SGD
View
A
Retailer 8
-
$1,070 SGD
View
A
Retailer 9
-
$1,082 SGD
View
A
Retailer 10
-
$1,119 SGD
View
A
Retailer 11
-
$1,296 SGD
View
B+
Retailer 12
-
$1,676 SGD
View
B+
Retailer 13
-
$2,203 SGD
View
B
Retailer 14
-
$2,416 SGD
View
B
Retailer 15
-
$2,517 SGD
View
Most Expensive
B
Brilliant Earth
17470556A · Nov 6
$3,870 SGD
$3,020 USD
View
15 more retailers have this diamond
Prices start from $552 SGDSave up to $3,318 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
3.03ct Oval
$552 SGD