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Radiant|Lab Grown|IGI

0.91ct E SI1 Radiant Lab Grown Diamond

EX • E/SI1 • IGI LG311690150

Shape and cutting style on the report: Radiant brilliant

Certificate IGI LG311690150

Diamond specifications and retailer prices

From €185 EUR
$207 USD
As of October 30, 2026
Save €628 EUR (77%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €814 EUR at NZ Jewellers · As of November 1, 2026
View at NZ Jewellers

About this 0.91ct lab-grown radiant diamond

This 0.91ct lab-grown radiant sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG311690150 or 311690150. Listed at 5 retailers as of October 30, 2026, with prices from €185 to €814, a €628 spread on the same certified stone. NZ Jewellers lists it at €814. 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

0.91
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle59°
OriginLab Grown
Grading LabIGI
CertificateIGI LG311690150
Dimensions6.84 × 4.88 × 3.02 mm
L/W Ratio1.40
Culet sizeNone
Top View
6.84 mm4.88 mm0.91 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG311690150
Side View
Table 64.0%Crown 39.5°Girdle: MED-MEDPavilion 59°Culet: NoneDepth 62.0%

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 30
Current: €814 EUR|Low: €182 EUR|High: €920 EUR|Avg: €512 EUR|-2.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 5€185 EUR
Retailer 4€215 EUR
Retailer 3€229 EUR
Retailer 2€439 EUR
NZ Jewellers€814 EUR
Retailer 6€916 EUR

19 data points across 6 retailers

5 retailers€185 EUR to €814 EUR

A
Cheapest Retailer
-
€185 EUR
$207 USD
A
Retailer 2
-
€215 EUR
$240 USD
View
A
Retailer 3
-
€229 EUR
$256 USD
View
B+
Retailer 4
-
€439 EUR
$490 USD
View
Most Expensive
B
NZ Jewellers
0be93489-e4d7-4ea8-a19c-7886da319dc8 · Nov 1
€814 EUR
$909 USD
View
4 more retailers have this diamond
Prices start from €185 EURSave up to €628 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
0.91ct Radiant
€185 EUR