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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 $435 SGD
$340 USD
As of November 1, 2026
Save $3,017 SGD (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,452 SGD 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 31, 2026, with prices from $435 to $3,452, a $3,017 spread on the same certified stone. Do Amore Diamonds lists it at $3,452. 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
Colour
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: Nov 1
Current: $3,452 SGD|Low: $322 SGD|High: $3,452 SGD|Avg: $1,519 SGD|+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
November 2, 2026
Retailer 12$435 SGD
Retailer 5$647 SGD
Retailer 3$676 SGD
Retailer 8$684 SGD
Retailer 11$786 SGD
Retailer 2$918 SGD
Retailer 6$1,024 SGD
Retailer 13$1,850 SGD
Retailer 10$1,917 SGD
Retailer 9$1,946 SGD
Retailer 4$2,105 SGD
Retailer 7$2,135 SGD
Retailer 14$3,081 SGD
Do Amore Diamonds$3,452 SGD

18 data points across 14 retailers

10 retailers$435 SGD to $3,452 SGD

A
Cheapest Retailer
-
$435 SGD
$340 USD
Final sale: no returns
A
Retailer 2
-
$684 SGD
$535 USD
View
A
Retailer 3
-
$786 SGD
$615 USD
View
B+
Retailer 4
-
$918 SGD
ZAR 11,606 ZAR
View
B
Retailer 5
-
$1,850 SGD
$1,447 USD
View
B
Retailer 6
-
$1,917 SGD
$1,499 USD
View
B
Retailer 7
-
$1,946 SGD
$1,522 USD
View
Retailer 8
-
$2,105 SGD
$1,647 USD
View
Price last confirmed 53 days ago
B
Retailer 9
-
$2,135 SGD
£1,315 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C2BFEA78A · Oct 31
$3,452 SGD
$2,700 USD
View
9 more retailers have this diamond
Prices start from $435 SGDSave up to $3,017 SGD

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
$435 SGD