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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 $722 AUD
$507 USD
As of October 30, 2026
Save $5,684 AUD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,406 AUD at Do Amore Diamonds · As of October 31, 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 17 retailers as of October 30, 2026, with prices from $722 to $6,406, a $5,684 spread on the same certified stone. Do Amore Diamonds lists it at $6,406. 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
Colour
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: $6,406 AUD|Low: $722 AUD|High: $7,275 AUD|Avg: $2,206 AUD|-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
Retailer 16
Retailer 17
October 31, 2026
Retailer 13$722 AUD
Retailer 17$807 AUD
Retailer 16$895 AUD
Retailer 15$1,065 AUD
Retailer 3$1,089 AUD
Retailer 8$1,184 AUD
Retailer 12$1,241 AUD
Retailer 11$1,385 AUD
Retailer 5$1,523 AUD
Retailer 2$1,542 AUD
Retailer 10$2,311 AUD
Retailer 6$2,599 AUD
Retailer 9$2,911 AUD
Retailer 14$3,075 AUD
Retailer 7$3,370 AUD
Retailer 4$4,312 AUD
Do Amore Diamonds$6,406 AUD

4 data points across 17 retailers

17 retailers$722 AUD to $6,406 AUD

A
Cheapest Retailer
-
$722 AUD
$507 USD
A
Retailer 2
-
$807 AUD
$567 USD
View
Final sale: no returns
A
Retailer 3
-
$895 AUD
$629 USD
View
A
Retailer 4
-
$1,065 AUD
$748 USD
View
A
Retailer 5
-
$1,089 AUD
$765 USD
View
B+
Retailer 6
-
$1,184 AUD
$832 USD
View
B+
Retailer 7
-
$1,241 AUD
£686 GBP
View
B+
Retailer 8
-
$1,385 AUD
$973 USD
View
B+
Retailer 9
-
$1,523 AUD
$1,070 USD
View
B+
Retailer 10
-
$1,542 AUD
£853 GBP
View
B
Retailer 11
-
$2,311 AUD
$1,623 USD
View
B
Retailer 12
-
$2,599 AUD
$1,826 USD
View
B
Retailer 13
-
$2,911 AUD
$2,045 USD
View
B
Retailer 14
-
$3,075 AUD
$2,160 USD
View
B
Retailer 15
-
$3,370 AUD
$2,367 USD
View
B
Retailer 16
-
$4,312 AUD
£2,385 GBP
View
Most Expensive
B
Do Amore Diamonds
27-A78C92158 · Oct 31
$6,406 AUD
$4,500 USD
View
16 more retailers have this diamond
Prices start from $722 AUDSave up to $5,684 AUD

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
$722 AUD