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Oval|Lab Grown|IGI

2.57ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG754533605

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG754533605

Diamond specifications and retailer prices

From €419 EUR
$468 USD
As of October 25, 2026
Save €3,367 EUR (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €3,786 EUR at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 2.57ct lab-grown oval diamond

This 2.57ct lab-grown oval sits in the two to three carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG754533605 or 754533605. Listed at 19 retailers as of October 25, 2026, with prices from €419 to €3,786, a €3,367 spread on the same certified stone. Brilliant Earth lists it at €3,786. 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

2.57
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.9°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754533605
Dimensions11.24 × 7.69 × 4.70 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.24 mm7.69 mm2.57 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG754533605
Side View
Table 58.0%Crown 36.9°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 61.1%

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 25
Current: €3,786 EUR|Low: €281 EUR|High: €3,903 EUR|Avg: €1,120 EUR|-3.0%
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
October 26, 2026
Retailer 4€281 EUR
Retailer 12€383 EUR
Retailer 6€419 EUR
Retailer 9€456 EUR
Retailer 11€500 EUR
Retailer 2€538 EUR
Retailer 3€650 EUR
Retailer 8€771 EUR
Retailer 13€869 EUR
Retailer 14€1,045 EUR
Retailer 7€1,248 EUR
Retailer 5€1,297 EUR
Retailer 10€1,960 EUR
Brilliant Earth€3,786 EUR

35 data points across 14 retailers

19 retailers€419 EUR to €3,786 EUR

Retailer 1
-
€275 EUR
$307 USD
Price last confirmed 38 days ago
Retailer 2
-
€275 EUR
$307 USD
View
Price last confirmed 20 days ago
Retailer 3
-
€341 EUR
$381 USD
View
Price last confirmed 21 days ago
Retailer 4
-
€380 EUR
$424 USD
View
Price last confirmed 35 days ago
Retailer 5
-
€383 EUR
£337 GBP
View
Price last confirmed 14 days ago
Retailer 6
-
€415 EUR
$464 USD
View
Price last confirmed 35 days ago
B+
Retailer 7
-
€419 EUR
$468 USD
View
A
Retailer 8
-
€456 EUR
$510 USD
View
A
Retailer 9
-
€538 EUR
£473 GBP
View
A
Retailer 10
-
€650 EUR
$726 USD
View
Retailer 11
-
€747 EUR
$835 USD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
€771 EUR
$861 USD
View
B+
Retailer 13
-
€869 EUR
$971 USD
View
B+
Retailer 14
-
€1,045 EUR
$1,167 USD
View
Retailer 15
-
€1,096 EUR
$1,225 USD
View
Price last confirmed 21 days ago
B
Retailer 16
-
€1,248 EUR
£1,098 GBP
View
B
Retailer 17
-
€1,297 EUR
$1,450 USD
View
Retailer 18
-
€1,960 EUR
$2,190 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
16844908A · Oct 26
€3,786 EUR
$4,230 USD
View
18 more retailers have this diamond
Prices start from €419 EURSave up to €3,367 EUR

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
2.57ct Oval
€419 EUR