Radiant|Lab Grown|IGI

1.80ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG532240073

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

Certificate IGI LG532240073

Diamond specifications and retailer prices

From €1,325 EUR
$1,480 USD
As of October 31, 2026
Save €1,903 EUR (59%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,596 EUR at NZ Jewellers · As of November 1, 2026
View at NZ Jewellers

About this 1.8ct lab-grown radiant diamond

This 1.8ct 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 LG532240073 or 532240073. Listed at 13 retailers as of October 31, 2026, with a 144% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.80
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG532240073
Dimensions8.42 × 6.18 × 4.17 mm
L/W Ratio1.36
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
8.42 mm6.18 mm1.80 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG532240073
Side View
Table 65.5%Crown 37.8°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €3,596 EUR|Low: €1,325 EUR|High: €5,554 EUR|Avg: €2,580 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 5€1,325 EUR
Retailer 7€1,654 EUR
Retailer 10€1,800 EUR
Retailer 11€1,852 EUR
Retailer 8€1,919 EUR
Retailer 3€2,068 EUR
Retailer 4€2,638 EUR
Retailer 9€3,009 EUR
Retailer 6€3,228 EUR
NZ Jewellers€3,596 EUR
Retailer 2€5,480 EUR

43 data points across 11 retailers

13 retailers€1,325 EUR to €3,228 EUR

B+
Cheapest Retailer
-
€1,325 EUR
$1,480 USD
B
Retailer 2
-
€1,654 EUR
$1,848 USD
View
B
Retailer 3
-
€1,800 EUR
$2,011 USD
View
B
Retailer 4
-
€1,852 EUR
$2,069 USD
View
Final sale: no returns
B
Retailer 5
-
€1,919 EUR
$2,144 USD
View
Retailer 6
-
€1,919 EUR
$2,144 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
€2,068 EUR
$2,310 USD
View
B
Retailer 8
-
€2,638 EUR
£2,321 GBP
View
B
Retailer 9
-
€3,009 EUR
$3,362 USD
View
B
Retailer 10
-
€3,228 EUR
$3,606 USD
View
Most Expensive
NZ Jewellers
6cc1f5c0-179c-4eac-ac62-fa4737c45209 · Nov 1
€3,596 EUR
$4,018 USD
View
Price under review
10 more retailers have this diamond
Prices start from €1,325 EURSave up to €1,903 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.

B+
1.80ct Radiant
€1,325 EUR