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Round|Lab Grown|IGI

2.75ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG622471788

Shape and cutting style on the report: Round brilliant

Certificate IGI LG622471788

Diamond specifications and retailer prices

From $525 USD
As of October 30, 2026
Save $2,235 USD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,760 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.75ct lab-grown round diamond

This 2.75ct lab-grown round 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 LG622471788 or 622471788. Listed at 9 retailers as of October 29, 2026, with prices from $525 to $2,760, a $2,235 spread on the same certified stone. Brilliant Earth lists it at $2,760. 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

2.75
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG622471788
Dimensions9.06 × 9.01 × 5.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.06 mm9.01 mm2.75 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG622471788
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.1%

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: $2,760 USD|Low: $361 USD|High: $2,850 USD|Avg: $1,207 USD|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 5$525 USD
Retailer 7$750 USD
Retailer 4$854 USD
Retailer 2$863 USD
Retailer 9$924 USD
Retailer 8$941 USD
Retailer 6$1,234 USD
Retailer 3$1,275 USD
Retailer 10$1,996 USD
Brilliant Earth$2,760 USD

23 data points across 10 retailers

9 retailers$525 USD to $2,760 USD

A
Cheapest Retailer
-
$525 USD
Final sale: no returns
B+
Retailer 2
-
$750 USD
View
A
Retailer 3
-
$854 USD
€813 EUR
View
A
Retailer 4
-
$863 USD
A$1,328 AUD
View
B+
Retailer 5
-
$941 USD
View
B+
Retailer 6
-
$1,234 USD
View
B+
Retailer 7
-
$1,275 USD
View
B+
Retailer 8
-
$1,303 USD
View
Most Expensive
B
Brilliant Earth
13228407A · Oct 29
$2,760 USD
View
8 more retailers have this diamond
Prices start from $525 USDSave up to $2,235 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
2.75ct Round
$525 USD