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Round|Lab Grown|IGI

2.85ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG741581814

Shape and cutting style on the report: Round brilliant

Certificate IGI LG741581814

Diamond specifications and retailer prices

From $351 USD
As of October 29, 2026
Save $3,349 USD (91%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,700 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.85ct lab-grown round diamond

This 2.85ct 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 LG741581814 or 741581814. Listed at 14 retailers as of October 29, 2026, with prices from $351 to $3,700, a $3,349 spread on the same certified stone. Brilliant Earth lists it at $3,700. 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

2.85
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741581814
Dimensions9.03 × 9.00 × 5.66 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
9.03 mm9.00 mm2.85 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741581814
Side View
Table 56.0%Crown 35.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.8%

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: $3,700 USD|Low: $346 USD|High: $3,810 USD|Avg: $1,089 USD|-2.9%
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 30, 2026
Retailer 8$351 USD
Retailer 13$412 USD
Retailer 6$440 USD
Retailer 12$440 USD
Retailer 11$590 USD
Retailer 2$699 USD
Retailer 4$748 USD
Retailer 10$765 USD
Retailer 7$780 USD
Retailer 3$947 USD
Retailer 14$1,291 USD
Retailer 5$1,415 USD
Retailer 9$1,728 USD
Brilliant Earth$3,700 USD

43 data points across 14 retailers

14 retailers$351 USD to $3,700 USD

A
Cheapest Retailer
-
$351 USD
A
Retailer 2
-
$412 USD
View
A
Retailer 3
-
$440 USD
View
A
Retailer 4
-
$440 USD
View
A
Retailer 5
-
$590 USD
View
B+
Retailer 6
-
$699 USD
View
A
Retailer 7
-
$748 USD
View
A
Retailer 8
-
$765 USD
€729 EUR
View
A
Retailer 9
-
$780 USD
£614 GBP
View
A
Retailer 10
-
$947 USD
View
B+
Retailer 11
-
$1,291 USD
View
B
Retailer 12
-
$1,415 USD
View
B
Retailer 13
-
$1,728 USD
£1,361 GBP
View
Most Expensive
B
Brilliant Earth
17233848A · Oct 29
$3,700 USD
View
13 more retailers have this diamond
Prices start from $351 USDSave up to $3,349 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
2.85ct Round
$351 USD