CaratHunter
Plans
Marquise|Lab Grown|IGI

1.71ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG747508367

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG747508367

Diamond specifications and retailer prices

From $720 USD
As of October 30, 2026
Save $5,670 USD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $6,390 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG747508367 or 747508367. Listed at 15 retailers as of October 30, 2026, with prices from $720 to $6,390, a $5,670 spread on the same certified stone. Do Amore Diamonds lists it at $6,390. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747508367
Dimensions12.32 × 6.22 × 3.88 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.32 mm6.22 mm1.71 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747508367
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 62.4%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: $6,390 USD|Low: $720 USD|High: $8,510 USD|Avg: $2,323 USD|-24.9%
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 29, 2026
Retailer 8$720 USD
Retailer 15$783 USD
Retailer 11$992 USD
Retailer 4$1,040 USD
Retailer 7$1,074 USD
Retailer 5$1,120 USD
Retailer 10$1,355 USD
Retailer 2$1,553 USD
Retailer 13$1,767 USD
Retailer 12$2,057 USD
Retailer 3$2,448 USD
Retailer 14$2,591 USD
Retailer 9$3,459 USD
Retailer 6$3,870 USD
Do Amore Diamonds$6,390 USD

31 data points across 15 retailers

15 retailers$720 USD to $6,390 USD

A
Cheapest Retailer
-
$720 USD
A
Retailer 2
-
$783 USD
View
A
Retailer 3
-
$992 USD
View
A
Retailer 4
-
$1,040 USD
View
A
Retailer 5
-
$1,074 USD
View
Final sale: no returns
A
Retailer 6
-
$1,120 USD
View
A
Retailer 7
-
$1,355 USD
View
A
Retailer 8
-
$1,553 USD
€1,479 EUR
View
A
Retailer 9
-
$1,767 USD
A$2,718 AUD
View
B+
Retailer 10
-
$2,057 USD
View
B+
Retailer 11
-
$2,448 USD
View
B+
Retailer 12
-
$2,591 USD
View
B+
Retailer 13
-
$3,459 USD
£2,724 GBP
View
B
Retailer 14
-
$3,870 USD
View
Most Expensive
B
Do Amore Diamonds
27-5D6F0F74C · Oct 30
$6,390 USD
View
14 more retailers have this diamond
Prices start from $720 USDSave up to $5,670 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
1.71ct Marquise
$720 USD