CaratHunter
Plans
Round|Lab Grown|IGI

1.71ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG818657611

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818657611

Diamond specifications and retailer prices

From €514 EUR
$574 USD
As of October 30, 2026
Save €2,914 EUR (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €3,428 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.71ct lab-grown round diamond

This 1.71ct lab-grown round 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 LG818657611 or 818657611. Listed at 22 retailers as of October 30, 2026, with prices from €514 to €3,428, a €2,914 spread on the same certified stone. Brilliant Earth lists it at €3,428. 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 angle33.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818657611
Dimensions7.66 × 7.72 × 4.75 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.66 mm7.72 mm1.71 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818657611
Side View
Table 55.0%Crown 33.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.8%

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: €3,428 EUR|Low: €456 EUR|High: €4,646 EUR|Avg: €1,331 EUR|-26.2%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 8€476 EUR
Retailer 4€514 EUR
Retailer 10€590 EUR
Retailer 11€590 EUR
Retailer 12€801 EUR
Retailer 18€801 EUR
Retailer 7€841 EUR
Retailer 14€870 EUR
Retailer 2€879 EUR
Retailer 17€979 EUR
Retailer 3€1,037 EUR
Retailer 13€1,317 EUR
Retailer 5€1,332 EUR
Retailer 9€1,552 EUR
Retailer 6€1,853 EUR
Retailer 19€1,963 EUR
Retailer 16€1,991 EUR
Retailer 15€2,391 EUR
Brilliant Earth€3,428 EUR

34 data points across 19 retailers

22 retailers€514 EUR to €3,428 EUR

Retailer 1
-
€476 EUR
$532 USD
Price last confirmed 21 days ago
Retailer 2
-
€480 EUR
$536 USD
View
Price last confirmed 39 days ago
A
Retailer 3
-
€514 EUR
$574 USD
View
Final sale: no returns
Retailer 4
-
€538 EUR
$601 USD
View
Price last confirmed 39 days ago
Retailer 5
-
€590 EUR
$659 USD
View
Price last confirmed 29 days ago
Retailer 6
-
€590 EUR
$659 USD
View
Price last confirmed 21 days ago
A
Retailer 7
-
€801 EUR
$895 USD
View
A
Retailer 8
-
€801 EUR
$895 USD
View
A
Retailer 9
-
€841 EUR
$940 USD
View
A
Retailer 10
-
€870 EUR
View
A
Retailer 11
-
€879 EUR
£774 GBP
View
A
Retailer 12
-
€979 EUR
ZAR 17,665 ZAR
View
B+
Retailer 13
-
€1,037 EUR
$1,158 USD
View
B+
Retailer 14
-
€1,317 EUR
$1,471 USD
View
B+
Retailer 15
-
€1,332 EUR
$1,489 USD
View
Retailer 16
-
€1,552 EUR
$1,734 USD
View
Price last confirmed 24 days ago
Retailer 17
-
€1,566 EUR
$1,749 USD
View
Price last confirmed 35 days ago
B+
Retailer 18
-
€1,853 EUR
$2,070 USD
View
B+
Retailer 19
-
€1,963 EUR
$2,193 USD
View
B+
Retailer 20
-
€1,991 EUR
$2,224 USD
View
B
Retailer 21
-
€2,391 EUR
£2,103 GBP
View
Most Expensive
B
Brilliant Earth
21241591A · Oct 31
€3,428 EUR
$3,830 USD
View
21 more retailers have this diamond
Prices start from €514 EURSave up to €2,914 EUR

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 Round
€514 EUR