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Round|Lab Grown|IGI

2.80ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG691551723

Shape and cutting style on the report: Round brilliant

Certificate IGI LG691551723

Diamond specifications and retailer prices

From $1,168 USD
CA$1,623 CAD
As of October 30, 2026
Save $378 USD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,546 USD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 2.8ct lab-grown round diamond

This 2.8ct 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 LG691551723 or 691551723. Listed at 2 retailers as of October 30, 2026, with prices from $1,168 to $1,546, a $378 spread on the same certified stone. The Diamond Guys lists it at $1,546. 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

2.80
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691551723
Dimensions9.15 × 9.09 × 5.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
9.15 mm9.09 mm2.80 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691551723
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.2%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $711 USD|Low: $238 USD|High: $3,590 USD|Avg: $1,323 USD|-18.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
August 3, 2026
Retailer 4$685 USD
Retailer 1$711 USD
Retailer 3$785 USD
Retailer 9$787 USD
Retailer 12$806 USD
Retailer 8$958 USD
Retailer 6$1,029 USD
Retailer 7$1,135 USD
Retailer 5$1,168 USD
The Diamond Guys$1,546 USD
Retailer 11$1,792 USD
Retailer 10$2,450 USD
Retailer 2$3,590 USD

57 data points across 13 retailers

2 retailers$1,168 USD to $1,546 USD

B+
Cheapest Retailer
-
$1,168 USD
CA$1,623 CAD
Most Expensive
B
The Diamond Guys
1954434309 · Oct 30
$1,546 USD
View
1 more retailer has this diamond
Prices start from $1,168 USDSave up to $378 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.

B+
2.80ct Round
$1,168 USD