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Radiant|Lab Grown|IGI

1.72ct F IF Radiant Lab Grown Diamond

GD • F/IF • IGI LG729503380

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

Certificate IGI LG729503380

Diamond specifications and retailer prices

From €264 EUR
As of October 30, 2026
Save €2,160 EUR (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €2,423 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG729503380 or 729503380. Listed at 22 retailers as of October 30, 2026, with prices from €264 to €2,423, a €2,160 spread on the same certified stone. Brilliant Earth lists it at €2,423. 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

1.72
Carat
F
Colour
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729503380
Dimensions8.52 × 5.81 × 3.93 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
8.52 mm5.81 mm1.72 ctF / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729503380
Side View
Table 65.0%Crown 41.2°Girdle: MediumPavilion 37.2°Culet: NoneDepth 67.6%

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 30
Current: €2,423 EUR|Low: €253 EUR|High: €3,457 EUR|Avg: €879 EUR|-29.9%
Brilliant Earth
Retailer 2
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Retailer 21
October 31, 2026
Retailer 4€264 EUR
Retailer 14€296 EUR
Retailer 12€306 EUR
Retailer 5€327 EUR
Retailer 10€327 EUR
Retailer 18€468 EUR
Retailer 2€524 EUR
Retailer 7€536 EUR
Retailer 17€562 EUR
Retailer 9€566 EUR
Retailer 13€580 EUR
Retailer 16€761 EUR
Retailer 20€843 EUR
Retailer 6€1,052 EUR
Retailer 11€1,095 EUR
Retailer 8€1,129 EUR
Retailer 21€1,168 EUR
Retailer 15€1,319 EUR
Retailer 3€1,394 EUR
Retailer 19€2,312 EUR
Brilliant Earth€2,423 EUR

36 data points across 21 retailers

22 retailers€264 EUR to €2,423 EUR

A
Cheapest Retailer
-
€264 EUR
Retailer 2
-
€306 EUR
View
Price last confirmed 9 days ago
Retailer 3
-
€327 EUR
View
Price last confirmed 12 days ago
Retailer 4
-
€327 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
€468 EUR
View
A
Retailer 6
-
€524 EUR
View
B+
Retailer 7
-
€536 EUR
View
Retailer 8
-
€562 EUR
View
Price last confirmed 9 days ago
B+
Retailer 9
-
€566 EUR
View
A
Retailer 10
-
€580 EUR
View
Retailer 11
-
€761 EUR
View
Price last confirmed 9 days ago
B+
Retailer 12
-
€843 EUR
View
Retailer 13
-
€1,052 EUR
View
Price last confirmed 9 days ago
B
Retailer 14
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€1,067 EUR
View
B
Retailer 15
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€1,095 EUR
View
B+
Retailer 16
-
€1,129 EUR
View
B+
Retailer 17
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€1,149 EUR
View
B+
Retailer 18
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€1,168 EUR
View
Retailer 19
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€1,319 EUR
View
Price last confirmed 8 days ago
B
Retailer 20
-
€1,394 EUR
View
Retailer 21
-
€2,312 EUR
View
Price last confirmed 19 days ago
Most Expensive
B
Brilliant Earth
21417112A · Oct 31
€2,423 EUR
$2,720 USD
View
21 more retailers have this diamond
Prices start from €264 EURSave up to €2,160 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
€264 EUR