Oval|Lab Grown|IGI

2.55ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG843606127

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG843606127

Diamond specifications and retailer prices

From €526 EUR
$588 USD
As of October 30, 2026
Save €2,311 EUR (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €3,222 EUR at Brilliant Earth · As of October 20, 2026
View at Brilliant Earth

About this 2.55ct lab-grown oval diamond

This 2.55ct 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 LG843606127 or 843606127. Listed at 14 retailers as of October 30, 2026, with a 439% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.55
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843606127
Dimensions11.28 × 7.67 × 4.78 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.28 mm7.67 mm2.55 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843606127
Side View
Table 58.0%Crown 36.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

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 30
Current: €533 EUR|Low: €363 EUR|High: €2,837 EUR|Avg: €941 EUR|+2.6%
Retailer 1
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 4€363 EUR
Retailer 10€526 EUR
Retailer 1€533 EUR
Retailer 6€537 EUR
Retailer 3€610 EUR
Retailer 2€681 EUR
Retailer 12€695 EUR
Retailer 9€1,161 EUR
Retailer 8€1,201 EUR
Retailer 13€1,298 EUR
Retailer 5€1,518 EUR
Retailer 7€1,974 EUR
Retailer 11€2,837 EUR

24 data points across 13 retailers

14 retailers€526 EUR to €2,837 EUR

B+
Cheapest Retailer
-
€526 EUR
$588 USD
A
Retailer 2
-
€533 EUR
$595 USD
View
A
Retailer 3
-
€537 EUR
£472 GBP
View
Retailer 4
-
€681 EUR
£599 GBP
View
Price last confirmed 14 days ago
A
Retailer 5
-
€695 EUR
$777 USD
View
B
Retailer 6
-
€1,161 EUR
$1,297 USD
View
B+
Retailer 7
-
€1,201 EUR
$1,342 USD
View
B
Retailer 8
-
€1,298 EUR
$1,450 USD
View
Retailer 9
-
€1,518 EUR
£1,335 GBP
View
Price last confirmed 20 days ago
B
Retailer 10
-
€1,974 EUR
$2,205 USD
View
Retailer 11
-
€2,256 EUR
$2,520 USD
View
Price last confirmed 14 days ago
B
Retailer 12
-
€2,444 EUR
$2,730 USD
View
B
Retailer 13
-
€2,837 EUR
$3,170 USD
View
Most Expensive
Brilliant Earth
21795752A · Oct 20
€3,222 EUR
$3,600 USD
View
Price last confirmed 11 days ago
13 more retailers have this diamond
Prices start from €526 EURSave up to €2,311 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
2.55ct Oval
€526 EUR