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Radiant|Lab Grown|IGI

1.85ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG611373065

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

Certificate IGI LG611373065

Diamond specifications and retailer prices

From €174 EUR
$195 USD
As of October 27, 2026
Save €1,493 EUR (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,667 EUR at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.85ct lab-grown radiant diamond

This 1.85ct 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 top-tier cut grade and certified by IGI LG611373065 or 611373065. Listed at 10 retailers as of October 27, 2026, with prices from €174 to €1,667, a €1,493 spread on the same certified stone. Do Amore Diamonds lists it at €1,667. 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

1.85
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG611373065
Dimensions8.71 × 5.94 × 4.05 mm
L/W Ratio1.47
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
8.71 mm5.94 mm1.85 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG611373065
Side View
Table 63.0%Crown 44.6°Girdle: MediumPavilion 34.9°Culet: NoneDepth 68.2%

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: €1,667 EUR|Low: €173 EUR|High: €1,730 EUR|Avg: €753 EUR|-3.6%
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€174 EUR
Retailer 6€201 EUR
Retailer 13€202 EUR
Retailer 10€376 EUR
Retailer 3€468 EUR
Retailer 4€669 EUR
Retailer 7€695 EUR
Retailer 11€745 EUR
Retailer 9€765 EUR
Retailer 2€958 EUR
Retailer 5€1,028 EUR
Retailer 12€1,213 EUR
Do Amore Diamonds€1,667 EUR

18 data points across 13 retailers

10 retailers€174 EUR to €1,667 EUR

A
Cheapest Retailer
-
€174 EUR
$195 USD
A
Retailer 2
-
€201 EUR
$226 USD
View
A
Retailer 3
-
€202 EUR
$227 USD
View
Final sale: no returns
B+
Retailer 4
-
€376 EUR
$422 USD
View
Retailer 5
-
€695 EUR
$780 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
€745 EUR
$836 USD
View
B+
Retailer 7
-
€765 EUR
$858 USD
View
B+
Retailer 8
-
€958 EUR
£846 GBP
View
B
Retailer 9
-
€1,213 EUR
$1,360 USD
View
Most Expensive
B
Do Amore Diamonds
27-39B38ADB0 · Oct 30
€1,667 EUR
$1,870 USD
View
9 more retailers have this diamond
Prices start from €174 EURSave up to €1,493 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
1.85ct Radiant
€174 EUR