Round|Lab Grown|IGI

1.71ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG825639480

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825639480

Diamond specifications and retailer prices

From $522 USD
As of October 29, 2026
Save $3,728 USD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,250 USD 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 LG825639480 or 825639480. Listed at 19 retailers as of October 29, 2026, with prices from $522 to $4,250, a $3,728 spread on the same certified stone. Brilliant Earth lists it at $4,250. 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 angle33.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825639480
Dimensions7.73 × 7.76 × 4.67 mm
L/W Ratio1.00
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
7.73 mm7.76 mm1.71 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825639480
Side View
Table 59.0%Crown 33.1°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: $4,250 USD|Low: $522 USD|High: $4,250 USD|Avg: $1,313 USD
Brilliant Earth
Retailer 2
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Retailer 5
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 19
November 1, 2026
Retailer 18$522 USD
Retailer 5$584 USD
Retailer 17$585 USD
Retailer 12$648 USD
Retailer 10$671 USD
Retailer 8$704 USD
Retailer 6$868 USD
Retailer 14$870 USD
Retailer 3$875 USD
Retailer 13$984 USD
Retailer 2$1,001 USD
Retailer 4$1,113 USD
Retailer 16$1,672 USD
Retailer 15$1,704 USD
Retailer 7$2,047 USD
Retailer 11$2,335 USD
Retailer 19$2,719 USD
Retailer 9$2,945 USD
Brilliant Earth$4,250 USD

18 data points across 19 retailers

19 retailers$522 USD to $4,250 USD

A+
Cheapest Retailer
-
$522 USD
A
Retailer 2
-
$584 USD
View
Final sale: no returns
A
Retailer 3
-
$585 USD
View
A
Retailer 4
-
$648 USD
View
Retailer 5
-
$671 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$704 USD
HK$5,500 HKD
View
A
Retailer 7
-
$868 USD
View
A
Retailer 8
-
$870 USD
View
A
Retailer 9
-
$875 USD
View
A
Retailer 10
-
$984 USD
€937 EUR
View
A
Retailer 11
-
$1,001 USD
£788 GBP
View
A
Retailer 12
-
$1,113 USD
ZAR 17,984 ZAR
View
B+
Retailer 13
-
$1,672 USD
View
B+
Retailer 14
-
$1,704 USD
View
B+
Retailer 15
-
$2,047 USD
SGD 2,766 SGD
View
B
Retailer 16
-
$2,335 USD
View
B
Retailer 17
-
$2,719 USD
£2,141 GBP
View
Retailer 18
-
$2,945 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
21294656A · Oct 31
$4,250 USD
View
18 more retailers have this diamond
Prices start from $522 USDSave up to $3,728 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 Round
$522 USD