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Oval|Lab Grown|IGI

3.00ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG818630594

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818630594

Diamond specifications and retailer prices

From $527 SGD
$412 USD
As of October 31, 2026
Save $5,060 SGD (91%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,587 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3ct lab-grown oval diamond

This 3ct 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 LG818630594 or 818630594. Listed at 14 retailers as of October 29, 2026, with prices from $527 to $5,587, a $5,060 spread on the same certified stone. Brilliant Earth lists it at $5,587. 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

3.00
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818630594
Dimensions12.02 × 7.80 × 4.98 mm
L/W Ratio1.54
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.02 mm7.80 mm3.00 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818630594
Side View
Table 58.0%Crown 39.4°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 63.8%

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: Oct 31
Current: $5,587 SGD|Low: $375 SGD|High: $5,587 SGD|Avg: $1,472 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 11$527 SGD
Retailer 3$583 SGD
Retailer 5$716 SGD
Retailer 7$773 SGD
Retailer 10$782 SGD
Retailer 2$918 SGD
Retailer 4$1,052 SGD
Retailer 8$1,709 SGD
Retailer 9$2,210 SGD
Retailer 6$2,289 SGD
Brilliant Earth$5,587 SGD

41 data points across 11 retailers

14 retailers$527 SGD to $5,587 SGD

Retailer 1
-
$470 SGD
$368 USD
Price last confirmed 39 days ago
A
Retailer 2
-
$527 SGD
$412 USD
View
Final sale: no returns
Retailer 3
-
$575 SGD
$450 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$716 SGD
£441 GBP
View
A
Retailer 5
-
$773 SGD
$605 USD
View
B+
Retailer 6
-
$782 SGD
$612 USD
View
A
Retailer 7
-
$918 SGD
€684 EUR
View
A
Retailer 8
-
$1,052 SGD
£648 GBP
View
A
Retailer 9
-
$1,243 SGD
$972 USD
View
B+
Retailer 10
-
$1,709 SGD
$1,337 USD
View
B+
Retailer 11
-
$1,924 SGD
$1,505 USD
View
B+
Retailer 12
-
$2,210 SGD
$1,729 USD
View
B+
Retailer 13
-
$2,289 SGD
£1,410 GBP
View
Most Expensive
B
Brilliant Earth
20907018A · Oct 29
$5,587 SGD
$4,370 USD
View
13 more retailers have this diamond
Prices start from $527 SGDSave up to $5,060 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
3.00ct Oval
$527 SGD