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Round|Lab Grown|IGI

2.77ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG585309637

Shape and cutting style on the report: Round brilliant

Certificate IGI LG585309637

Diamond specifications and retailer prices

From $359 USD
As of October 30, 2026
Save $3,191 USD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,550 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.77ct lab-grown round diamond

This 2.77ct 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 LG585309637 or 585309637. Listed at 12 retailers as of October 29, 2026, with prices from $359 to $3,550, a $3,191 spread on the same certified stone. Brilliant Earth lists it at $3,550. 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

2.77
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG585309637
Dimensions9.16 × 9.10 × 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
9.16 mm9.10 mm2.77 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG585309637
Side View
Table 56.0%Crown 33°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.5%

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 30
Current: $3,550 USD|Low: $359 USD|High: $3,590 USD|Avg: $1,055 USD|+38.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 4$359 USD
Retailer 10$614 USD
Retailer 9$713 USD
Retailer 8$715 USD
Retailer 7$727 USD
Retailer 11$738 USD
Retailer 2$752 USD
Retailer 5$807 USD
Retailer 3$1,586 USD
Retailer 12$1,768 USD
Retailer 6$1,938 USD
Brilliant Earth$3,550 USD

42 data points across 12 retailers

12 retailers$359 USD to $3,550 USD

A
Cheapest Retailer
-
$359 USD
Final sale: no returns
A
Retailer 2
-
$614 USD
HK$4,800 HKD
View
A
Retailer 3
-
$713 USD
View
A
Retailer 4
-
$715 USD
View
A
Retailer 5
-
$727 USD
A$1,118 AUD
View
A
Retailer 6
-
$738 USD
View
A
Retailer 7
-
$752 USD
€716 EUR
View
A
Retailer 8
-
$807 USD
£636 GBP
View
B
Retailer 9
-
$1,586 USD
View
B
Retailer 10
-
$1,768 USD
SGD 2,389 SGD
View
B
Retailer 11
-
$1,938 USD
£1,526 GBP
View
Most Expensive
B
Brilliant Earth
7790291A · Oct 29
$3,550 USD
View
11 more retailers have this diamond
Prices start from $359 USDSave up to $3,191 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
2.77ct Round
$359 USD