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Round|Lab Grown|IGI

2.73ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG788677461

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788677461

Diamond specifications and retailer prices

From $399 USD
As of October 29, 2026
Save $2,081 USD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,480 USD at Brilliant Earth · As of October 29, 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 LG788677461 or 788677461. Listed at 13 retailers as of October 29, 2026, with prices from $399 to $2,480, a $2,081 spread on the same certified stone. Brilliant Earth lists it at $2,480. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788677461
Dimensions8.95 × 8.99 × 5.53 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
8.95 mm8.99 mm2.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788677461
Side View
Table 56.0%Crown 34.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.6%

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 29
Current: $2,480 USD|Low: $391 USD|High: $2,580 USD|Avg: $1,148 USD|-3.9%
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 29, 2026
Retailer 12$399 USD
Retailer 4$447 USD
Retailer 6$550 USD
Retailer 5$665 USD
Retailer 11$784 USD
Retailer 8$785 USD
Retailer 7$792 USD
Retailer 13$911 USD
Retailer 10$1,388 USD
Retailer 14$1,576 USD
Retailer 3$1,590 USD
Retailer 9$1,665 USD
Retailer 2$1,943 USD
Brilliant Earth$2,480 USD

23 data points across 14 retailers

13 retailers$399 USD to $2,480 USD

A
Cheapest Retailer
-
$399 USD
A
Retailer 2
-
$447 USD
View
A
Retailer 3
-
$550 USD
HK$4,300 HKD
View
B+
Retailer 4
-
$784 USD
View
A
Retailer 5
-
$785 USD
View
A
Retailer 6
-
$792 USD
A$1,218 AUD
View
B+
Retailer 7
-
$911 USD
View
B
Retailer 8
-
$1,388 USD
View
B
Retailer 9
-
$1,576 USD
SGD 2,130 SGD
View
B
Retailer 10
-
$1,590 USD
View
Retailer 11
-
$1,665 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
$1,943 USD
£1,530 GBP
View
Most Expensive
B
Brilliant Earth
18511468A · Oct 29
$2,480 USD
View
12 more retailers have this diamond
Prices start from $399 USDSave up to $2,081 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
2.73ct Round
$399 USD