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Round|Lab Grown|IGI

2.73ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG780609156

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780609156

Diamond specifications and retailer prices

From €254 EUR
$284 USD
As of October 29, 2026
Save €2,897 EUR (92%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,151 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 2.73ct lab-grown round diamond

This 2.73ct 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 LG780609156 or 780609156. Listed at 12 retailers as of October 29, 2026, with prices from €254 to €3,151, a €2,897 spread on the same certified stone. Brilliant Earth lists it at €3,151. 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

2.73
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780609156
Dimensions9.11 × 9.15 × 5.38 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.11 mm9.15 mm2.73 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780609156
Side View
Table 61.0%Crown 32.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 59.0%

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 29
Current: €3,151 EUR|Low: €250 EUR|High: €7,970 EUR|Avg: €1,623 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
Retailer 15
October 30, 2026
Retailer 12€254 EUR
Retailer 10€294 EUR
Retailer 2€475 EUR
Retailer 8€513 EUR
Retailer 4€588 EUR
Retailer 15€659 EUR
Retailer 11€968 EUR
Retailer 9€971 EUR
Retailer 13€1,012 EUR
Retailer 5€1,126 EUR
Retailer 6€1,132 EUR
Retailer 3€1,255 EUR
Retailer 14€1,269 EUR
Brilliant Earth€3,151 EUR
Retailer 7€7,970 EUR

27 data points across 15 retailers

12 retailers€254 EUR to €3,151 EUR

Retailer 1
-
€254 EUR
$284 USD
Price last confirmed 9 days ago
A
Retailer 2
-
€254 EUR
$284 USD
View
Retailer 3
-
€294 EUR
$329 USD
View
Price last confirmed 11 days ago
A
Retailer 4
-
€475 EUR
£417 GBP
View
Retailer 5
-
€513 EUR
View
Price last confirmed 8 days ago
A
Retailer 6
-
€659 EUR
$736 USD
View
B+
Retailer 7
-
€968 EUR
$1,081 USD
View
B+
Retailer 8
-
€971 EUR
$1,085 USD
View
Retailer 9
-
€1,012 EUR
$1,131 USD
View
Price last confirmed 10 days ago
Retailer 10
-
€1,255 EUR
SGD 1,894 SGD
View
Price last confirmed 18 days ago
Retailer 11
-
€1,269 EUR
£1,116 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
20808140A · Oct 30
€3,151 EUR
$3,520 USD
View
11 more retailers have this diamond
Prices start from €254 EURSave up to €2,897 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
2.73ct Round
€254 EUR