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Radiant|Lab Grown|IGI

1.70ct F SI1 Radiant Lab Grown Diamond

GD • F/SI1 • IGI LG561254694

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

Certificate IGI LG561254694

Diamond specifications and retailer prices

From €161 EUR
$181 USD
As of October 27, 2026
Save €1,390 EUR (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,551 EUR at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.7ct lab-grown radiant diamond

This 1.7ct 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 standard cut grade and certified by IGI LG561254694 or 561254694. Listed at 10 retailers as of October 27, 2026, with prices from €161 to €1,551, a €1,390 spread on the same certified stone. Do Amore Diamonds lists it at €1,551. 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

1.70
Carat
F
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG561254694
Dimensions8.33 × 5.86 × 3.98 mm
L/W Ratio1.42
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
8.33 mm5.86 mm1.70 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG561254694
Side View
Table 63.0%Crown 42.5°Girdle: MediumPavilion 36.2°Culet: NoneDepth 67.9%

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 27
Current: €1,551 EUR|Low: €161 EUR|High: €1,953 EUR|Avg: €727 EUR|-3.9%
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
Retailer 15
October 29, 2026
Retailer 11€161 EUR
Retailer 8€187 EUR
Retailer 14€188 EUR
Retailer 10€354 EUR
Retailer 3€376 EUR
Retailer 4€481 EUR
Retailer 7€600 EUR
Retailer 9€680 EUR
Retailer 15€687 EUR
Retailer 12€711 EUR
Retailer 2€1,039 EUR
Retailer 6€1,070 EUR
Retailer 13€1,106 EUR
Retailer 5€1,257 EUR
Do Amore Diamonds€1,551 EUR

17 data points across 15 retailers

10 retailers€161 EUR to €1,551 EUR

A
Cheapest Retailer
-
€161 EUR
$181 USD
A
Retailer 2
-
€187 EUR
$210 USD
View
B+
Retailer 3
-
€188 EUR
$211 USD
View
Final sale: no returns
B+
Retailer 4
-
€354 EUR
$397 USD
View
Retailer 5
-
€680 EUR
$763 USD
View
Price last confirmed 7 days ago
B
Retailer 6
-
€711 EUR
$797 USD
View
B
Retailer 7
-
€1,039 EUR
£918 GBP
View
B
Retailer 8
-
€1,106 EUR
$1,240 USD
View
B
Retailer 9
-
€1,257 EUR
$1,410 USD
View
Most Expensive
B
Do Amore Diamonds
27-05C91399C · Oct 29
€1,551 EUR
$1,740 USD
View
9 more retailers have this diamond
Prices start from €161 EURSave up to €1,390 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
1.70ct Radiant
€161 EUR