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Radiant|Lab Grown|IGI

0.91ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG522225554

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

Certificate IGI LG522225554

Diamond specifications and retailer prices

From €111 EUR
$124 USD
As of October 30, 2026
Save €1,046 EUR (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,157 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 0.91ct lab-grown radiant diamond

This 0.91ct lab-grown radiant sits in the just-under-one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522225554 or 522225554. Listed at 17 retailers as of October 29, 2026, with prices from €111 to €1,157, a €1,046 spread on the same certified stone. MOH London lists it at €1,157. 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
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522225554
Dimensions7.01 × 4.82 × 3.22 mm
L/W Ratio1.45
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
7.01 mm4.82 mm0.91 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522225554
Side View
Table 67.0%Crown 40.4°Girdle: STK-THKPavilion 36.1°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,157 EUR|Low: €107 EUR|High: €1,165 EUR|Avg: €418 EUR|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 12
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Retailer 20
October 30, 2026
Retailer 17€111 EUR
Retailer 8€124 EUR
Retailer 3€129 EUR
Retailer 4€147 EUR
Retailer 18€147 EUR
Retailer 19€188 EUR
Retailer 16€195 EUR
Retailer 5€251 EUR
Retailer 14€266 EUR
Retailer 11€272 EUR
Retailer 13€284 EUR
Retailer 9€414 EUR
Retailer 2€430 EUR
Retailer 20€443 EUR
Retailer 15€468 EUR
Retailer 7€494 EUR
Retailer 10€798 EUR
Retailer 12€808 EUR
Retailer 6€852 EUR
MOH London€1,157 EUR

27 data points across 20 retailers

17 retailers€111 EUR to €1,157 EUR

A
Cheapest Retailer
-
€111 EUR
$124 USD
A
Retailer 2
-
€124 EUR
$139 USD
View
Final sale: no returns
A
Retailer 3
-
€129 EUR
$144 USD
View
A
Retailer 4
-
€147 EUR
$164 USD
View
A
Retailer 5
-
€147 EUR
$164 USD
View
B+
Retailer 6
-
€188 EUR
$210 USD
View
A
Retailer 7
-
€195 EUR
HK$1,700 HKD
View
Retailer 8
-
€266 EUR
View
Price last confirmed 9 days ago
A
Retailer 9
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€284 EUR
£250 GBP
View
A
Retailer 10
-
€317 EUR
$354 USD
View
A
Retailer 11
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€430 EUR
$480 USD
View
B+
Retailer 12
-
€443 EUR
$495 USD
View
B+
Retailer 13
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€468 EUR
$523 USD
View
B+
Retailer 14
-
€494 EUR
$552 USD
View
B
Retailer 15
-
€798 EUR
CA$1,239 CAD
View
B
Retailer 16
-
€852 EUR
$952 USD
View
Most Expensive
B
MOH London
LG522225554 · Oct 29
€1,157 EUR
£1,018 GBP
View
16 more retailers have this diamond
Prices start from €111 EURSave up to €1,046 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
€111 EUR