CaratHunter
Plans
Cushion|Lab Grown|IGI

1.83ct G SI1 Cushion Lab Grown Diamond

GD • G/SI1 • IGI LG538289862

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG538289862

Diamond specifications and retailer prices

From €326 EUR
$366 USD
As of November 1, 2026
Save €1,122 EUR (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €1,448 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 1.83ct lab-grown cushion diamond

This 1.83ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG538289862 or 538289862. Listed at 10 retailers as of October 26, 2026, with prices from €326 to €1,448, a €1,122 spread on the same certified stone. MOH London lists it at €1,448. 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

1.83
Carat
G
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538289862
Dimensions7.77 × 7.53 × 4.58 mm
L/W Ratio1.03
Girdle conditionFaceted
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
7.77 mm7.53 mm1.83 ctG / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG538289862
Side View
Table 64.5%Crown 35.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.8%

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: Nov 1
Current: €1,448 EUR|Low: €233 EUR|High: €1,837 EUR|Avg: €794 EUR|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8€326 EUR
Retailer 6€361 EUR
Retailer 3€544 EUR
Retailer 7€584 EUR
Retailer 2€645 EUR
Retailer 9€668 EUR
Retailer 5€932 EUR
Retailer 4€1,123 EUR
MOH London€1,448 EUR

39 data points across 9 retailers

10 retailers€326 EUR to €1,448 EUR

A
Cheapest Retailer
-
€326 EUR
$366 USD
Final sale: no returns
Retailer 2
-
€361 EUR
$405 USD
View
Price last confirmed 23 days ago
B+
Retailer 3
-
€544 EUR
$610 USD
View
B+
Retailer 4
-
€584 EUR
$655 USD
View
B+
Retailer 5
-
€630 EUR
$707 USD
View
B+
Retailer 6
-
€645 EUR
£570 GBP
View
B+
Retailer 7
-
€668 EUR
$749 USD
View
B
Retailer 8
-
€932 EUR
$1,045 USD
View
B
Retailer 9
-
€1,123 EUR
$1,260 USD
View
Most Expensive
B
MOH London
LG538289862 · Oct 26
€1,448 EUR
£1,279 GBP
View
9 more retailers have this diamond
Prices start from €326 EURSave up to €1,122 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
1.83ct Cushion
€326 EUR