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Oval|Lab Grown|IGI

2.54ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG685508552

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG685508552

Diamond specifications and retailer prices

From $522 AUD
$367 USD
As of October 25, 2026
Save $3,236 AUD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,758 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.54ct lab-grown oval diamond

This 2.54ct lab-grown oval sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG685508552 or 685508552. Listed at 16 retailers as of October 25, 2026, with prices from $522 to $3,758, a $3,236 spread on the same certified stone. Brilliant Earth lists it at $3,758. 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

2.54
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685508552
Dimensions10.98 × 7.73 × 4.84 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.98 mm7.73 mm2.54 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685508552
Side View
Table 61.0%Crown 36.1°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.6%

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 25
Current: $3,758 AUD|Low: $421 AUD|High: $4,200 AUD|Avg: $1,265 AUD|-10.5%
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
October 30, 2026
Retailer 6$421 AUD
Retailer 4$488 AUD
Retailer 7$515 AUD
Retailer 10$522 AUD
Retailer 14$657 AUD
Retailer 15$847 AUD
Retailer 16$857 AUD
Retailer 2$925 AUD
Retailer 13$943 AUD
Retailer 5$1,058 AUD
Retailer 8$1,146 AUD
Retailer 11$1,604 AUD
Retailer 3$1,678 AUD
Retailer 9$2,104 AUD
Retailer 12$2,506 AUD
Brilliant Earth$3,758 AUD

35 data points across 16 retailers

16 retailers$522 AUD to $3,758 AUD

Retailer 1
-
$421 AUD
$296 USD
Price last confirmed 37 days ago
Retailer 2
-
$488 AUD
$343 USD
View
Price last confirmed 34 days ago
Retailer 3
-
$515 AUD
$362 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$522 AUD
$367 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$522 AUD
$367 USD
View
Retailer 6
-
$657 AUD
£364 GBP
View
Price last confirmed 13 days ago
B+
Retailer 7
-
$847 AUD
$595 USD
View
B+
Retailer 8
-
$857 AUD
$602 USD
View
A
Retailer 9
-
$925 AUD
£512 GBP
View
A
Retailer 10
-
$1,058 AUD
$743 USD
View
B+
Retailer 11
-
$1,146 AUD
$805 USD
View
B+
Retailer 12
-
$1,604 AUD
$1,127 USD
View
Retailer 13
-
$1,678 AUD
$1,179 USD
View
Price last confirmed 32 days ago
B
Retailer 14
-
$2,104 AUD
£1,164 GBP
View
B
Retailer 15
-
$2,506 AUD
$1,760 USD
View
Most Expensive
B
Brilliant Earth
13264555A · Oct 29
$3,758 AUD
$2,640 USD
View
15 more retailers have this diamond
Prices start from $522 AUDSave up to $3,236 AUD

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
2.54ct Oval
$522 AUD