Radiant|Lab Grown|IGI

1.63ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG614309946

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

Certificate IGI LG614309946

Diamond specifications and retailer prices

From €139 EUR
$155 USD
As of October 27, 2026
Save €1,195 EUR (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,334 EUR at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.63ct lab-grown radiant diamond

This 1.63ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG614309946 or 614309946. Listed at 10 retailers as of October 27, 2026, with prices from €139 to €1,334, a €1,195 spread on the same certified stone. Do Amore Diamonds lists it at €1,334. 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

1.63
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG614309946
Dimensions8.56 × 5.77 × 3.83 mm
L/W Ratio1.48
Culet sizeNone
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
8.56 mm5.77 mm1.63 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG614309946
Side View
Table 64.0%Crown 39°Girdle: MED-STKPavilion 33.7°Culet: NoneDepth 66.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: €1,334 EUR|Low: €139 EUR|High: €1,405 EUR|Avg: €632 EUR|-5.1%
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
October 29, 2026
Retailer 8€139 EUR
Retailer 6€160 EUR
Retailer 13€164 EUR
Retailer 10€314 EUR
Retailer 3€368 EUR
Retailer 4€543 EUR
Retailer 7€583 EUR
Retailer 9€610 EUR
Retailer 11€637 EUR
Retailer 5€825 EUR
Retailer 2€891 EUR
Retailer 12€931 EUR
Do Amore Diamonds€1,334 EUR

22 data points across 13 retailers

10 retailers€139 EUR to €1,334 EUR

A
Cheapest Retailer
-
€139 EUR
$155 USD
A
Retailer 2
-
€160 EUR
$179 USD
View
A
Retailer 3
-
€164 EUR
$183 USD
View
Final sale: no returns
B+
Retailer 4
-
€314 EUR
$351 USD
View
B+
Retailer 5
-
€583 EUR
$651 USD
View
B+
Retailer 6
-
€610 EUR
$681 USD
View
B+
Retailer 7
-
€637 EUR
$712 USD
View
B+
Retailer 8
-
€891 EUR
£784 GBP
View
B
Retailer 9
-
€931 EUR
$1,040 USD
View
Most Expensive
B
Do Amore Diamonds
27-3D76ACC31 · Oct 29
€1,334 EUR
$1,490 USD
View
9 more retailers have this diamond
Prices start from €139 EURSave up to €1,195 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
1.63ct Radiant
€139 EUR