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Oval|Lab Grown|IGI

5.05ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG678546984

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG678546984

Diamond specifications and retailer prices

From $816 SGD
$638 USD
As of October 29, 2026
Save $4,771 SGD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,587 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.05ct lab-grown oval diamond

This 5.05ct lab-grown oval sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG678546984 or 678546984. Listed at 17 retailers as of October 29, 2026, with prices from $816 to $5,587, a $4,771 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

5.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678546984
Dimensions13.64 × 9.54 × 6.08 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.64 mm9.54 mm5.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678546984
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.7%

Caratlytics Score

How it works →
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 29
Current: $5,587 SGD|Low: $782 SGD|High: $5,996 SGD|Avg: $1,990 SGD|-6.8%
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
October 31, 2026
Retailer 10$816 SGD
Retailer 3$887 SGD
Retailer 5$913 SGD
Retailer 11$946 SGD
Retailer 9$1,170 SGD
Retailer 4$1,439 SGD
Retailer 2$1,511 SGD
Retailer 7$1,536 SGD
Retailer 12$1,544 SGD
Retailer 8$2,195 SGD
Retailer 13$2,659 SGD
Retailer 6$4,005 SGD
Brilliant Earth$5,587 SGD

44 data points across 13 retailers

17 retailers$816 SGD to $5,587 SGD

A
Cheapest Retailer
-
$816 SGD
$638 USD
A
Retailer 2
-
$887 SGD
$694 USD
View
A
Retailer 3
-
$913 SGD
$714 USD
View
Final sale: no returns
A
Retailer 4
-
$946 SGD
$740 USD
View
Retailer 5
-
$946 SGD
$740 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$1,170 SGD
$915 USD
View
A
Retailer 7
-
$1,439 SGD
$1,126 USD
View
A
Retailer 8
-
$1,511 SGD
£930 GBP
View
A
Retailer 9
-
$1,536 SGD
€1,144 EUR
View
B+
Retailer 10
-
$1,544 SGD
$1,208 USD
View
B+
Retailer 11
-
$2,195 SGD
$1,717 USD
View
B+
Retailer 12
-
$2,604 SGD
$2,037 USD
View
B+
Retailer 13
-
$2,659 SGD
$2,080 USD
View
B
Retailer 14
-
$3,158 SGD
$2,470 USD
View
B
Retailer 15
-
$3,264 SGD
$2,553 USD
View
B
Retailer 16
-
$4,005 SGD
£2,467 GBP
View
Most Expensive
B
Brilliant Earth
13071900A · Oct 30
$5,587 SGD
$4,370 USD
View
16 more retailers have this diamond
Prices start from $816 SGDSave up to $4,771 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
5.05ct Oval
$816 SGD