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Radiant|Lab Grown|IGI

1.71ct E VS1 Radiant Lab Grown Diamond

EX • E/VS1 • IGI LG639439771

Certificate IGI LG639439771

Diamond specifications and retailer prices

From $265 USD
Save $1,805 USD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,070 USD at Brilliant Earth
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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG639439771 or 639439771. Listed at 15 retailers, with prices from $265 to $2,070 at Brilliant Earth, a $1,805 spread on the same certified stone. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639439771
Dimensions8.56 × 5.84 × 3.97 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.56 mm5.84 mm1.71 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639439771
Side View
Table 66.0%Crown 31.6°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 68.0%

Caratlytics Score

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

Price History

Last verified: Sep 27
Current: $2,070 USD|Low: $283 USD|High: $2,600 USD|Avg: $893 USD|-20.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
September 28, 2026
Retailer 7$283 USD
Retailer 12$457 USD
Retailer 8$481 USD
Retailer 9$487 USD
Retailer 6$515 USD
Retailer 10$619 USD
Retailer 11$632 USD
Retailer 4$963 USD
Retailer 3$1,021 USD
Retailer 2$1,148 USD
Retailer 5$1,295 USD
Brilliant Earth$2,070 USD

35 data points across 12 retailers

15 retailers$265 USD to $2,070 USD

A
Cheapest Retailer
-
$265 USD
A
Retailer 2
-
$280 USD
View
A
Retailer 3
-
$283 USD
View
B+
Retailer 4
-
$457 USD
View
A
Retailer 5
-
$481 USD
ZAR 7,767 ZAR
View
A
Retailer 6
-
$487 USD
€464 EUR
View
A
Retailer 7
-
$515 USD
£406 GBP
View
B+
Retailer 8
-
$619 USD
View
B+
Retailer 9
-
$632 USD
View
B+
Retailer 10
-
$795 USD
View
B
Retailer 11
-
$963 USD
View
B
Retailer 12
-
$1,021 USD
£804 GBP
View
Price last confirmed 17 days ago
B
Retailer 13
-
$1,148 USD
£904 GBP
View
B
Retailer 14
-
$1,295 USD
View
Most Expensive
B
Brilliant Earth
10652225A · Sep 29
$2,070 USD
View
14 more retailers have this diamond
Prices start from $265 USDSave up to $1,805 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.

A
1.71ct Radiant
$265 USD