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Radiant|Lab Grown|IGI

1.20ct G VS1 Radiant Lab Grown Diamond

GD • G/VS1 • IGI LG617452400

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

Certificate IGI LG617452400

Diamond specifications and retailer prices

From €136 EUR
$152 USD
As of October 27, 2026
Save €1,166 EUR (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,302 EUR at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown radiant diamond

This 1.2ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG617452400 or 617452400. Listed at 11 retailers as of October 27, 2026, with prices from €136 to €1,302, a €1,166 spread on the same certified stone. Do Amore Diamonds lists it at €1,302. 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

1.20
Carat
G
Color
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617452400
Dimensions7.68 × 5.15 × 3.51 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
7.68 mm5.15 mm1.20 ctG / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617452400
Side View
Table 62.0%Crown 42.5°Girdle: MediumPavilion 34.9°Culet: NoneDepth 68.2%

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: €1,302 EUR|Low: €110 EUR|High: €1,328 EUR|Avg: €581 EUR|-2.0%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 5
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Retailer 11
Retailer 12
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Retailer 19
October 29, 2026
Retailer 15€136 EUR
Retailer 19€155 EUR
Retailer 13€157 EUR
Retailer 17€307 EUR
Retailer 3€318 EUR
Retailer 5€330 EUR
Retailer 4€373 EUR
Retailer 8€427 EUR
Retailer 12€451 EUR
Retailer 10€517 EUR
Retailer 14€570 EUR
Retailer 9€575 EUR
Retailer 16€596 EUR
Retailer 6€750 EUR
Retailer 7€794 EUR
Retailer 2€871 EUR
Retailer 11€1,005 EUR
Retailer 18€1,159 EUR
Do Amore Diamonds€1,302 EUR

21 data points across 19 retailers

11 retailers€136 EUR to €1,302 EUR

A
Cheapest Retailer
-
€136 EUR
$152 USD
A
Retailer 2
-
€155 EUR
$174 USD
View
Final sale: no returns
A
Retailer 3
-
€157 EUR
$176 USD
View
B+
Retailer 4
-
€307 EUR
$344 USD
View
Retailer 5
-
€451 EUR
A$779 AUD
View
Price last confirmed 7 days ago
Retailer 6
-
€570 EUR
$639 USD
View
Price last confirmed 7 days ago
B
Retailer 7
-
€596 EUR
$668 USD
View
B
Retailer 8
-
€794 EUR
$890 USD
View
B
Retailer 9
-
€871 EUR
£769 GBP
View
C
Retailer 10
-
€1,159 EUR
$1,300 USD
View
Most Expensive
C
Do Amore Diamonds
27-B9E1C0F16 · Oct 29
€1,302 EUR
$1,460 USD
View
10 more retailers have this diamond
Prices start from €136 EURSave up to €1,166 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
1.20ct Radiant
€136 EUR