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Radiant|Lab Grown|IGI

1.54ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG532273099

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

Certificate IGI LG532273099

Diamond specifications and retailer prices

From €732 EUR
£644 GBP
As of October 31, 2026
Save €694 EUR (49%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €1,426 EUR at B2C Jewels · As of November 1, 2026
View at B2C Jewels

About this 1.54ct lab-grown radiant diamond

This 1.54ct 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 LG532273099 or 532273099. Listed at 3 retailers as of October 31, 2026, with prices from €732 to €1,426, a €694 spread on the same certified stone. B2C Jewels lists it at €1,426. 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

1.54
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG532273099
Dimensions8.15 × 5.80 × 3.87 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.15 mm5.80 mm1.54 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG532273099
Side View
Table 64.5%Crown 39.4°Girdle: MediumPavilion 34.9°Culet: NoneDepth 66.7%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: €1,426 EUR|Low: €151 EUR|High: €1,531 EUR|Avg: €663 EUR|+112.4%
B2C Jewels
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
September 23, 2026
Retailer 12€175 EUR
Retailer 7€201 EUR
Retailer 2€381 EUR
Retailer 8€398 EUR
Retailer 6€528 EUR
Retailer 5€540 EUR
Retailer 11€565 EUR
Retailer 4€843 EUR
Retailer 10€883 EUR
Retailer 3€1,009 EUR
Retailer 9€1,020 EUR
B2C Jewels€1,426 EUR

77 data points across 12 retailers

3 retailers€732 EUR to €1,426 EUR

B+
Cheapest Retailer
-
€732 EUR
£644 GBP
B
Retailer 2
-
€1,020 EUR
$1,140 USD
View
Most Expensive
B
B2C Jewels
20884913 · Nov 1
€1,426 EUR
$1,593 USD
View
2 more retailers have this diamond
Prices start from €732 EURSave up to €694 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+
1.54ct Radiant
€732 EUR