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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 $638 USD
As of October 29, 2026
Save $3,732 USD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,370 USD 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 $638 to $4,370, a $3,732 spread on the same certified stone. Brilliant Earth lists it at $4,370. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,370 USD|Low: $714 USD|High: $4,690 USD|Avg: $1,654 USD|-6.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 10$714 USD
Retailer 7$740 USD
Retailer 6$915 USD
Retailer 9$1,126 USD
Retailer 2$1,182 USD
Retailer 4$1,201 USD
Retailer 8$1,208 USD
Retailer 5$1,717 USD
Retailer 3$3,133 USD
Brilliant Earth$4,370 USD

44 data points across 10 retailers

17 retailers$638 USD to $4,370 USD

A
Cheapest Retailer
-
$638 USD
A
Retailer 2
-
$694 USD
View
A
Retailer 3
-
$714 USD
View
Final sale: no returns
A
Retailer 4
-
$740 USD
View
Retailer 5
-
$740 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$915 USD
View
A
Retailer 7
-
$1,126 USD
View
A
Retailer 8
-
$1,182 USD
£930 GBP
View
A
Retailer 9
-
$1,201 USD
€1,144 EUR
View
B+
Retailer 10
-
$1,208 USD
View
B+
Retailer 11
-
$1,717 USD
View
B+
Retailer 12
-
$2,037 USD
View
B+
Retailer 13
-
$2,080 USD
View
B
Retailer 14
-
$2,470 USD
View
B
Retailer 15
-
$2,553 USD
View
B
Retailer 16
-
$3,133 USD
£2,467 GBP
View
Most Expensive
B
Brilliant Earth
13071900A · Oct 30
$4,370 USD
View
16 more retailers have this diamond
Prices start from $638 USDSave up to $3,732 USD

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
$638 USD