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Radiant|Lab Grown|IGI

1.72ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG627408379

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

Certificate IGI LG627408379

Diamond specifications and retailer prices

From €163 EUR
$183 USD
As of October 27, 2026
Save €1,406 EUR (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,569 EUR at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.72ct lab-grown radiant diamond

This 1.72ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG627408379 or 627408379. Listed at 10 retailers as of October 27, 2026, with prices from €163 to €1,569, a €1,406 spread on the same certified stone. Do Amore Diamonds lists it at €1,569. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.72
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.4°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627408379
Dimensions8.67 × 5.83 × 3.93 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.67 mm5.83 mm1.72 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627408379
Side View
Table 66.0%Crown 44.4°Girdle: MediumPavilion 35.5°Culet: NoneDepth 67.4%

Caratlytics Score

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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 27
Current: €1,569 EUR|Low: €130 EUR|High: €1,623 EUR|Avg: €725 EUR|-3.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6€163 EUR
Retailer 3€189 EUR
Retailer 10€190 EUR
Retailer 5€356 EUR
Retailer 4€687 EUR
Retailer 8€712 EUR
Retailer 7€718 EUR
Retailer 2€1,050 EUR
Retailer 9€1,132 EUR
Do Amore Diamonds€1,569 EUR

23 data points across 10 retailers

10 retailers€163 EUR to €1,569 EUR

A
Cheapest Retailer
-
€163 EUR
$183 USD
A
Retailer 2
-
€189 EUR
$212 USD
View
A
Retailer 3
-
€190 EUR
$213 USD
View
Final sale: no returns
B+
Retailer 4
-
€356 EUR
$399 USD
View
Retailer 5
-
€687 EUR
$771 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
€712 EUR
$799 USD
View
B+
Retailer 7
-
€718 EUR
$805 USD
View
B
Retailer 8
-
€1,050 EUR
£927 GBP
View
B
Retailer 9
-
€1,132 EUR
$1,270 USD
View
Most Expensive
B
Do Amore Diamonds
27-9FA26D7BD · Oct 29
€1,569 EUR
$1,760 USD
View
9 more retailers have this diamond
Prices start from €163 EURSave up to €1,406 EUR

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
1.72ct Radiant
€163 EUR