Radiant|Lab Grown|IGI

1.71ct E FL Radiant Lab Grown Diamond

EX • E/FL • IGI LG799677097

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG799677097

Diamond specifications and retailer prices

From €745 EUR
HK$6,500 HKD
As of November 1, 2026
Save €3,686 EUR (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,431 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.71ct lab-grown radiant diamond

This 1.71ct lab-grown radiant 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 LG799677097 or 799677097. Listed at 14 retailers as of October 31, 2026, with prices from €745 to €4,431, a €3,686 spread on the same certified stone. Brilliant Earth lists it at €4,431. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.6°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799677097
Dimensions8.76 × 5.86 × 3.78 mm
L/W Ratio1.49
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
8.76 mm5.86 mm1.71 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799677097
Side View
Table 64.0%Crown 46.6°Girdle: MediumPavilion 34.1°Culet: NoneDepth 64.5%

Caratlytics Score

How it works →
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: Nov 1
Current: €4,431 EUR|Low: €745 EUR|High: €4,458 EUR|Avg: €2,186 EUR|-0.6%
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
November 1, 2026
Retailer 9€745 EUR
Retailer 11€872 EUR
Retailer 7€1,029 EUR
Retailer 13€1,037 EUR
Retailer 6€1,061 EUR
Retailer 8€1,165 EUR
Retailer 5€1,197 EUR
Retailer 10€1,232 EUR
Retailer 4€2,139 EUR
Retailer 3€2,163 EUR
Retailer 12€2,191 EUR
Retailer 2€2,942 EUR
Brilliant Earth€4,431 EUR

44 data points across 13 retailers

14 retailers€745 EUR to €4,431 EUR

A
Cheapest Retailer
-
€745 EUR
HK$6,500 HKD
A
Retailer 2
-
€872 EUR
$974 USD
View
A
Retailer 3
-
€1,029 EUR
View
A
Retailer 4
-
€1,037 EUR
$1,159 USD
View
A
Retailer 5
-
€1,061 EUR
£933 GBP
View
B+
Retailer 6
-
€1,165 EUR
ZAR 21,022 ZAR
View
Retailer 7
-
€1,197 EUR
$1,337 USD
View
Price last confirmed 15 days ago
B+
Retailer 8
-
€1,232 EUR
$1,376 USD
View
B+
Retailer 9
-
€2,058 EUR
$2,299 USD
View
B+
Retailer 10
-
€2,139 EUR
SGD 3,230 SGD
View
B+
Retailer 11
-
€2,163 EUR
$2,416 USD
View
B
Retailer 12
-
€2,191 EUR
$2,447 USD
View
B
Retailer 13
-
€2,942 EUR
£2,588 GBP
View
Most Expensive
B
Brilliant Earth
20719617A · Oct 31
€4,431 EUR
$4,950 USD
View
13 more retailers have this diamond
Prices start from €745 EURSave up to €3,686 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 Radiant
€745 EUR