Marquise|Lab Grown|IGI

2.71ct E SI1 Marquise Lab Grown Diamond

EX • E/SI1 • IGI LG836688098

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836688098

Diamond specifications and retailer prices

From $507 USD
As of October 30, 2026
Save $3,993 USD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,500 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 2.71ct lab-grown marquise diamond

This 2.71ct lab-grown marquise 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 LG836688098 or 836688098. Listed at 15 retailers as of October 30, 2026, with prices from $507 to $4,500, a $3,993 spread on the same certified stone. Do Amore Diamonds lists it at $4,500. 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

2.71
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836688098
Dimensions13.74 × 7.23 × 4.51 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.74 mm7.23 mm2.71 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836688098
Side View
Table 59.0%Crown 39.5°Girdle: STK-THKPavilion 38°Culet: NoneDepth 62.4%

Caratlytics Score

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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: $4,500 USD|Low: $507 USD|High: $5,110 USD|Avg: $1,591 USD|-11.9%
Do Amore Diamonds
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 8$507 USD
Retailer 13$567 USD
Retailer 12$629 USD
Retailer 11$748 USD
Retailer 14$765 USD
Retailer 6$832 USD
Retailer 2$872 USD
Retailer 3$1,070 USD
Retailer 10$1,083 USD
Retailer 4$1,826 USD
Retailer 7$2,045 USD
Retailer 9$2,160 USD
Retailer 5$2,367 USD
Retailer 15$3,029 USD
Do Amore Diamonds$4,500 USD

3 data points across 15 retailers

15 retailers$507 USD to $4,500 USD

A
Cheapest Retailer
-
$507 USD
A
Retailer 2
-
$567 USD
View
Final sale: no returns
A
Retailer 3
-
$629 USD
View
A
Retailer 4
-
$748 USD
View
A
Retailer 5
-
$765 USD
View
B+
Retailer 6
-
$832 USD
View
B+
Retailer 7
-
$872 USD
£686 GBP
View
B+
Retailer 8
-
$1,070 USD
View
B+
Retailer 9
-
$1,083 USD
£853 GBP
View
B
Retailer 10
-
$1,826 USD
View
B
Retailer 11
-
$2,045 USD
View
B
Retailer 12
-
$2,160 USD
View
B
Retailer 13
-
$2,367 USD
View
B
Retailer 14
-
$3,029 USD
£2,385 GBP
View
Most Expensive
B
Do Amore Diamonds
27-A78C92158 · Oct 30
$4,500 USD
View
14 more retailers have this diamond
Prices start from $507 USDSave up to $3,993 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
2.71ct Marquise
$507 USD