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Marquise|Lab Grown|IGI

2.71ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG766628948

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG766628948

Diamond specifications and retailer prices

From $1,689 USD
As of October 30, 2026
Save $5,531 USD (77%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $7,220 USD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG766628948 or 766628948. Listed at 24 retailers as of October 30, 2026, with a 327% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.71
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766628948
Dimensions13.92 × 7.22 × 4.65 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.92 mm7.22 mm2.71 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766628948
Side View
Table 57.0%Crown 34.4°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 64.4%

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: $7,220 USD|Low: $1,689 USD|High: $9,330 USD|Avg: $4,197 USD|-7.2%
Brilliant Earth
Retailer 2
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Retailer 19
October 31, 2026
Retailer 4$1,689 USD
Retailer 3$1,959 USD
Retailer 5$2,057 USD
Retailer 18$2,130 USD
Retailer 2$2,777 USD
Retailer 15$2,800 USD
Retailer 7$3,017 USD
Retailer 14$3,024 USD
Retailer 10$3,212 USD
Retailer 6$3,671 USD
Retailer 9$4,054 USD
Retailer 16$4,658 USD
Retailer 17$4,940 USD
Retailer 12$5,054 USD
Retailer 13$5,624 USD
Retailer 8$5,944 USD
Retailer 11$6,873 USD
Retailer 19$6,986 USD
Brilliant Earth$7,220 USD

32 data points across 19 retailers

24 retailers$1,689 USD to $7,220 USD

A
Cheapest Retailer
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$1,689 USD
Retailer 2
-
$1,959 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
$1,959 USD
View
A
Retailer 4
-
$2,057 USD
View
Final sale: no returns
A
Retailer 5
-
$2,130 USD
View
Retailer 6
-
$2,362 USD
View
Price last confirmed 32 days ago
Retailer 7
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$2,484 USD
View
Price last confirmed 32 days ago
A
Retailer 8
-
$2,777 USD
£2,186 GBP
View
A
Retailer 9
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$2,800 USD
View
A
Retailer 10
-
$3,017 USD
View
A
Retailer 11
-
$3,024 USD
€2,880 EUR
View
A
Retailer 12
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$3,212 USD
View
A
Retailer 13
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$3,671 USD
View
Retailer 14
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$4,039 USD
View
Price last confirmed 31 days ago
A
Retailer 15
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$4,054 USD
£3,192 GBP
View
Retailer 16
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$4,658 USD
A$7,166 AUD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
$4,940 USD
View
B+
Retailer 18
-
$5,054 USD
ZAR 81,645 ZAR
View
B+
Retailer 19
-
$5,624 USD
£4,428 GBP
View
B+
Retailer 20
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$5,944 USD
View
B
Retailer 21
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$6,873 USD
View
Retailer 22
-
$6,986 USD
A$10,747 AUD
View
Price last confirmed 22 days ago
B
Retailer 23
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$7,220 USD
View
Most Expensive
Brilliant Earth
18204517A · Oct 23
$7,220 USD
View
Price last confirmed 7 days ago
23 more retailers have this diamond
Prices start from $1,689 USDSave up to $5,531 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
$1,689 USD