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Radiant|Lab Grown|IGI

1.71ct E SI1 Radiant Lab Grown Diamond

VG • E/SI1 • IGI LG519238354

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

Certificate IGI LG519238354

Diamond specifications and retailer prices

From $697 SGD
$544 USD
As of October 23, 2026
Save $2,918 SGD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,615 SGD at MOH London · As of October 26, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG519238354 or 519238354. Listed at 12 retailers as of October 23, 2026, with prices from $697 to $3,615, a $2,918 spread on the same certified stone. MOH London lists it at $3,615. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.71
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle30°
OriginLab Grown
Grading LabIGI
CertificateIGI LG519238354
Dimensions7.69 × 5.92 × 4.07 mm
L/W Ratio1.30
Culet sizePointed
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
7.69 mm5.92 mm1.71 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG519238354
Side View
Table 68.5%Crown 42.6°Girdle: MediumPavilion 30°Culet: NoneDepth 68.8%

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 23
Current: $3,615 SGD|Low: $558 SGD|High: $3,654 SGD|Avg: $1,526 SGD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 9$782 SGD
Retailer 6$865 SGD
Retailer 10$869 SGD
Retailer 5$1,038 SGD
Retailer 3$1,256 SGD
Retailer 8$1,336 SGD
Retailer 2$1,348 SGD
Retailer 4$2,233 SGD
Retailer 7$2,275 SGD
MOH London$3,615 SGD

42 data points across 10 retailers

12 retailers$697 SGD to $3,615 SGD

A
Cheapest Retailer
-
$697 SGD
$544 USD
B+
Retailer 2
-
$782 SGD
$610 USD
View
B+
Retailer 3
-
$782 SGD
$610 USD
View
Final sale: no returns
B+
Retailer 4
-
$865 SGD
$675 USD
View
B+
Retailer 5
-
$869 SGD
$678 USD
View
B+
Retailer 6
-
$1,038 SGD
$810 USD
View
B
Retailer 7
-
$1,256 SGD
€933 EUR
View
B
Retailer 8
-
$1,336 SGD
$1,042 USD
View
B
Retailer 9
-
$1,348 SGD
£828 GBP
View
B
Retailer 10
-
$2,233 SGD
$1,742 USD
View
B
Retailer 11
-
$2,275 SGD
$1,775 USD
View
Most Expensive
B
MOH London
LG519238354 · Oct 26
$3,615 SGD
£2,221 GBP
View
11 more retailers have this diamond
Prices start from $697 SGDSave up to $2,918 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
$697 SGD