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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 $367 USD
As of October 25, 2026
Save $2,273 USD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,640 USD 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 $367 to $2,640, a $2,273 spread on the same certified stone. Brilliant Earth lists it at $2,640. 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
Color
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: $2,640 USD|Low: $296 USD|High: $2,950 USD|Avg: $889 USD|-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$296 USD
Retailer 4$343 USD
Retailer 7$362 USD
Retailer 10$367 USD
Retailer 14$462 USD
Retailer 15$595 USD
Retailer 16$602 USD
Retailer 2$650 USD
Retailer 13$663 USD
Retailer 5$743 USD
Retailer 8$805 USD
Retailer 11$1,127 USD
Retailer 3$1,179 USD
Retailer 9$1,478 USD
Retailer 12$1,760 USD
Brilliant Earth$2,640 USD

35 data points across 16 retailers

16 retailers$367 USD to $2,640 USD

Retailer 1
-
$296 USD
Price last confirmed 36 days ago
Retailer 2
-
$343 USD
View
Price last confirmed 34 days ago
Retailer 3
-
$362 USD
View
Price last confirmed 32 days ago
Retailer 4
-
$367 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$367 USD
View
Retailer 6
-
$462 USD
£364 GBP
View
Price last confirmed 13 days ago
B+
Retailer 7
-
$595 USD
View
B+
Retailer 8
-
$602 USD
View
A
Retailer 9
-
$650 USD
£512 GBP
View
A
Retailer 10
-
$743 USD
View
B+
Retailer 11
-
$805 USD
View
B+
Retailer 12
-
$1,127 USD
View
Retailer 13
-
$1,179 USD
View
Price last confirmed 32 days ago
B
Retailer 14
-
$1,478 USD
£1,164 GBP
View
B
Retailer 15
-
$1,760 USD
View
Most Expensive
B
Brilliant Earth
13264555A · Oct 29
$2,640 USD
View
15 more retailers have this diamond
Prices start from $367 USDSave up to $2,273 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
2.54ct Oval
$367 USD