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Radiant|Lab Grown|IGI

1.71ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG711518420

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

Certificate IGI LG711518420

Diamond specifications and retailer prices

From $340 USD
As of October 30, 2026
Save $2,360 USD (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,700 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG711518420 or 711518420. Listed at 10 retailers as of October 30, 2026, with prices from $340 to $2,700, a $2,360 spread on the same certified stone. Do Amore Diamonds lists it at $2,700. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG711518420
Dimensions6.78 × 6.69 × 4.46 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.78 mm6.69 mm1.71 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG711518420
Side View
Table 62.0%Crown 36.8°Girdle: MediumPavilion 33.1°Culet: NoneDepth 66.7%

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: $2,700 USD|Low: $252 USD|High: $2,700 USD|Avg: $1,185 USD|+25.0%
Do Amore Diamonds
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
October 31, 2026
Retailer 12$340 USD
Retailer 5$506 USD
Retailer 3$529 USD
Retailer 2$535 USD
Retailer 11$615 USD
Retailer 7$716 USD
Retailer 6$801 USD
Retailer 13$1,447 USD
Retailer 9$1,499 USD
Retailer 8$1,522 USD
Retailer 4$1,647 USD
Retailer 10$1,669 USD
Retailer 14$2,410 USD
Do Amore Diamonds$2,700 USD

16 data points across 14 retailers

10 retailers$340 USD to $2,700 USD

A
Cheapest Retailer
-
$340 USD
Final sale: no returns
A
Retailer 2
-
$535 USD
View
A
Retailer 3
-
$615 USD
View
B+
Retailer 4
-
$716 USD
ZAR 11,565 ZAR
View
B
Retailer 5
-
$1,447 USD
View
B
Retailer 6
-
$1,499 USD
View
B
Retailer 7
-
$1,522 USD
View
Retailer 8
-
$1,647 USD
View
Price last confirmed 52 days ago
B
Retailer 9
-
$1,669 USD
£1,314 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C2BFEA78A · Oct 31
$2,700 USD
View
9 more retailers have this diamond
Prices start from $340 USDSave up to $2,360 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
$340 USD