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Radiant|Lab Grown|IGI

1.69ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG618477171

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

Certificate IGI LG618477171

Diamond specifications and retailer prices

From €142 EUR
$159 USD
As of October 27, 2026
Save €1,227 EUR (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,369 EUR at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.69ct lab-grown radiant diamond

This 1.69ct 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 LG618477171 or 618477171. Listed at 10 retailers as of October 27, 2026, with prices from €142 to €1,369, a €1,227 spread on the same certified stone. Do Amore Diamonds lists it at €1,369. 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

1.69
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618477171
Dimensions8.35 × 5.86 × 3.97 mm
L/W Ratio1.42
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
8.35 mm5.86 mm1.69 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618477171
Side View
Table 65.0%Crown 43.7°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 67.7%

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: €1,369 EUR|Low: €142 EUR|High: €1,450 EUR|Avg: €645 EUR|-5.6%
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€142 EUR
Retailer 6€166 EUR
Retailer 13€169 EUR
Retailer 10€321 EUR
Retailer 3€382 EUR
Retailer 4€560 EUR
Retailer 7€601 EUR
Retailer 9€628 EUR
Retailer 11€650 EUR
Retailer 5€850 EUR
Retailer 2€919 EUR
Retailer 12€967 EUR
Do Amore Diamonds€1,369 EUR

21 data points across 13 retailers

10 retailers€142 EUR to €1,369 EUR

A
Cheapest Retailer
-
€142 EUR
$159 USD
A
Retailer 2
-
€166 EUR
$185 USD
View
A
Retailer 3
-
€169 EUR
$189 USD
View
Final sale: no returns
B+
Retailer 4
-
€321 EUR
$359 USD
View
B+
Retailer 5
-
€601 EUR
$671 USD
View
B+
Retailer 6
-
€628 EUR
$702 USD
View
B+
Retailer 7
-
€650 EUR
$727 USD
View
B+
Retailer 8
-
€919 EUR
£808 GBP
View
B
Retailer 9
-
€967 EUR
$1,080 USD
View
Most Expensive
B
Do Amore Diamonds
27-F947BC3DD · Oct 30
€1,369 EUR
$1,530 USD
View
9 more retailers have this diamond
Prices start from €142 EURSave up to €1,227 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
1.69ct Radiant
€142 EUR