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 $832 USD
HK$6,500 HKD
As of October 30, 2026
Save $4,118 USD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,950 USD at Brilliant Earth · As of October 29, 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 29, 2026, with prices from $832 to $4,950, a $4,118 spread on the same certified stone. Brilliant Earth lists it at $4,950. 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: Oct 30
Current: $4,950 USD|Low: $832 USD|High: $4,980 USD|Avg: $2,468 USD|-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
October 30, 2026
Retailer 9$832 USD
Retailer 11$974 USD
Retailer 8$1,147 USD
Retailer 13$1,159 USD
Retailer 2$1,185 USD
Retailer 7$1,301 USD
Retailer 5$1,337 USD
Retailer 10$1,376 USD
Retailer 4$2,390 USD
Retailer 3$2,416 USD
Retailer 12$2,447 USD
Retailer 6$3,305 USD
Brilliant Earth$4,950 USD

45 data points across 13 retailers

14 retailers$832 USD to $4,950 USD

A
Cheapest Retailer
-
$832 USD
HK$6,500 HKD
A
Retailer 2
-
$974 USD
View
Retailer 3
-
$1,147 USD
€1,092 EUR
View
Price last confirmed 7 days ago
A
Retailer 4
-
$1,159 USD
View
A
Retailer 5
-
$1,185 USD
£933 GBP
View
B+
Retailer 6
-
$1,301 USD
ZAR 21,022 ZAR
View
Retailer 7
-
$1,337 USD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$1,376 USD
View
B+
Retailer 9
-
$2,299 USD
View
B+
Retailer 10
-
$2,390 USD
SGD 3,230 SGD
View
B+
Retailer 11
-
$2,416 USD
View
B
Retailer 12
-
$2,447 USD
View
B
Retailer 13
-
$3,305 USD
£2,602 GBP
View
Most Expensive
B
Brilliant Earth
20719617A · Oct 29
$4,950 USD
View
13 more retailers have this diamond
Prices start from $832 USDSave up to $4,118 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 Radiant
$832 USD