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Marquise|Lab Grown|IGI

1.71ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG806630081

Certificate IGI LG806630081

Diamond specifications and retailer prices

From $512 USD
Save $4,128 USD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,640 USD at Brilliant Earth
View at Brilliant Earth

About this 1.71ct lab-grown marquise diamond

This 1.71ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG806630081 or 806630081. Listed at 15 retailers, with prices from $512 to $4,640 at Brilliant Earth, a $4,128 spread on the same certified stone. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806630081
Dimensions12.75 × 6.21 × 3.72 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.75 mm6.21 mm1.71 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806630081
Side View
Table 61.0%Crown 36.9°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 1
Current: $4,640 USD|Low: $369 USD|High: $4,650 USD|Avg: $1,457 USD|-0.2%
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 1, 2026
Retailer 3$512 USD
Retailer 8$752 USD
Retailer 14$865 USD
Retailer 12$887 USD
Retailer 11$911 USD
Retailer 13$927 USD
Retailer 6$960 USD
Retailer 9$1,340 USD
Retailer 2$1,774 USD
Retailer 10$1,802 USD
Retailer 4$1,856 USD
Retailer 5$2,330 USD
Retailer 7$2,860 USD
Brilliant Earth$4,640 USD

37 data points across 14 retailers

15 retailers$512 USD to $4,640 USD

A
Cheapest Retailer
-
$512 USD
A
Retailer 2
-
$752 USD
View
A
Retailer 3
-
$865 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$887 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$911 USD
€868 EUR
View
A
Retailer 6
-
$927 USD
£730 GBP
View
Price last confirmed 8 days ago
A
Retailer 7
-
$960 USD
ZAR 15,501 ZAR
View
Price last confirmed 13 days ago
A
Retailer 8
-
$1,340 USD
View
A
Retailer 9
-
$1,479 USD
View
Price last confirmed 45 days ago
A
Retailer 10
-
$1,774 USD
SGD 2,397 SGD
View
A
Retailer 11
-
$1,828 USD
View
A
Retailer 12
-
$1,856 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
$2,330 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$2,860 USD
A$4,400 AUD
View
Most Expensive
B
Brilliant Earth
20219477A · Oct 1
$4,640 USD
View
14 more retailers have this diamond
Prices start from $512 USDSave up to $4,128 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.

A
1.71ct Marquise
$512 USD